Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

36results about How to "Solve the problem of not being able to communicate with each other" patented technology

Electronic medical record system for personal use

The invention, which relates to the field of medical treatment and public health, particularly discloses an electronic medical record system for personal use, wherein the electronic medical record system uses electronic equipment for carrying out character recognition on patient paper examination lists and stores, manages, and reproduces the information. The electronic medical record system is composed of an examination list OCR identification and entering module, a disease diagnosis entering module, a medicine usage entering module, a treatment process recording module, a database, a historical medical-care-seeking record query module, a historical medication query module, a historical examination query module, and a historical treatment process query module. An original conventional electronic medical record stored in a hospital is stored in a mobile database and is backed up to a cloud data storage center, so that a mobile electronic medical record is provided for personal use. Therefore, users can look up own electronic medical records no matter where they seek medical cares, thereby providing the powerful support for the disease diagnosis treatment.
Owner:SUZHOU INST OF BIOMEDICAL ENG & TECH CHINESE ACADEMY OF SCI

Business mapping processing method of optical transport network, devices and system

Embodiments of the invention provide a business mapping processing method of an optical transport network, devices and a system. The business mapping processing method of the optical transport network comprises following steps: generating mapping adaptation indication information according to a mapping granularity, which has M*g bytes, of a to-be-borne low-order optical channel data unit LO ODU, wherein M is a number of time gaps occupied by the to-be-borne LO ODU in an optical channel payload unit OPUCn, g is the size of the mapping granularity corresponding to each time gap in the time gaps occupied by the LO ODU, and g is a positive integer greater than 1; mapping the to-be-borne LO ODU to an ODTUCn.M payload region in an optical channel data tributary unit ODTUCn.M, wherein the ODTUCn.M comprises an ODTUCn.M overhead region and the ODTUCn.M payload region; packaging the mapping adaptation indication information into the ODTUCn.M overhead region; packing the ODTUCn.M into an corresponding optical channel transport unit OTUCn; and sending the OTUCn to receiving end equipment. According to the embodiments, the problem that intercommunication cannot be performed at receiving and sending ends due to the adopted OTUCn having different mapping granularities is prevented.
Owner:HUAWEI TECH CO LTD

Video rebroadcasting system and video receiving system

The invention provides a video rebroadcasting system and a video receiving system, and the method comprises the steps: enabling coding equipment in the video rebroadcasting system to code a received ultra-high-definition video signal, obtaining an ultra-high-definition video TS flow signal, and transmitting the ultra-high-definition video TS flow signal to signal frequency conversion modulation equipment; enabling the signal frequency conversion modulation equipment to carry out modulation and frequency conversion on the received ultra-high-definition video TS stream signal to obtain a processed TS stream signal; wherein the signal power amplification equipment is used for carrying out power amplification on the processed TS stream signal to obtain a power amplification signal; and enabling the waveguide device to transmit the power amplification signal to a satellite transmitting antenna, so that the satellite transmitting antenna transmits the power amplification signal to a satellite for forwarding use of a transponder on the satellite. And after the ground receives the signals forwarded by the satellite, frequency conversion power amplification, demodulation and decoding are carried out, and ultra-high-definition video signals are recovered to be played or recorded. According to the invention, the transmission efficiency of 8K ultra-high-definition video signals is improved.
Owner:北京中联合超高清协同技术中心有限公司

Address book synchronization method and device

The invention discloses an address book synchronization method and an address book synchronization device. The method comprises the following steps: when confirming that a data card works normally, an address book synchronization expansion layer sends an address book reading command to a data analysis package layer; the data analysis package layer packages the address book reading command into a command which can be identified by the data card, sends the command to the data card, receives data card address book information sent by the data card, packages the data card address book information into information which can be identified by a client, and sends the information to the address book synchronization expansion layer; and the address book synchronization expansion layer compares the data card address book information with email client address book information to acquire address book difference information, and synchronizes the address book of the email client or the address book of the data card according to the address book difference information.
Owner:昆山乐凯锦富光电科技有限公司

Unified conference platform system, gateway conference management method and conference creation method

The invention discloses a unified conference platform system, a gateway, a conference management method and a conference creation method, and the system comprises a signaling gateway cluster which is used for receiving a conference request message sent by a calling platform, wherein the conference request message comprises the information of a called platform; a load balancing service module which is used for selecting an adaptive signaling gateway according to the information of the called platform and selecting an adaptive media gateway according to the load condition of the media gateway cluster; the adaptive signaling gateway which is used for sending invitation information to the called platform after being selected, wherein the invitation information comprises capability set information of the adaptive signaling gateway; an adaptive media gateway which is used for receiving streaming media information sent by the calling platform or the called platform, for re-decoding, adapting and encoding the audio and video conference code stream according to the requirement of the calling platform or the called platform on the audio and video, and packaging and sending the audio and video conference code stream according to the transmission protocol of the calling platform or the called platform.
Owner:ZHEJIANG HUACHUANG VISION TECH CO LTD

Route synchronization method and device

The present application provides a route synchronization method and device, which are applied to member devices in an edge device group including at least two member devices. By configuring a dedicated first VXLAN on the member devices in the edge device group, the member devices can mutually transmit routing information carrying a specific preset notification identifier to each other in the firstVXLAN, so that the member devices in the edge device group can notify each other of a route. The method and device solve the problem in the prior art that hosts directly getting access to different member devices of the edge device group cannot communicate with each other.
Owner:NEW H3C TECH CO LTD

Multistandard heterogeneous wireless communication scheduling system integration method

The invention provides a multistandard heterogeneous wireless communication scheduling system integration method. Prior digital or analog cluster wireless communication systems are connected in an unified mode onto a unified command scheduling system, and a unified command scheduling system interface is built; the following interfaces: a scheduling call initiation interface, a half-duplex individual call and group call voice scheduling interface, a full group activity state ordering interface and a short message and multimedia message receiving and sending interface, are provided in a system application layer; in the unified command scheduling system interface, voice scheduling is respectively carried out on terminals of a TETRA network and a PDT network; users of the TETRA network and the PDT network are respectively scheduled in a full-duplex mode; call groups of the TETRA network and the PDT network are respectively scheduled in a half-duplex mode; and short messages are sent to any user and any group in the two networks according to needs.
Owner:CHINA CHANGFENG SCI TECH IND GROUPCORP

Anticorrosion coating device suitable for multi-variable-diameter stainless steel straight pipe

ActiveCN111842039ASmooth realization of circulationSuccessful transferLiquid surface applicatorsCoatingsStraight tubeSS - Stainless steel
The invention discloses an anticorrosion coating device suitable for a multi-variable-diameter stainless steel straight pipe, belongs to the field of anticorrosion of pipe inner walls, and relates toan anticorrosion coating device suitable for the multi-variable-diameter stainless steel straight pipe which comprises an inner rod. The left end of the inner rod is fixedly connected with a tractionrod, the end, away from the inner rod, of the traction rod is connected with traction equipment, the outer side of the inner rod is provided with a fixed ring, a movable ring and an elastic bag body,the fixed ring is located between the movable ring and the traction rod, the fixed ring is fixedly connected with the outer end of the inner rod, the movable ring is in sliding connection with the outer end of the inner rod, and the left end and the right end of the elastic bag body are fixedly connected with the outer end of the fixed ring and the outer end of the movable ring correspondingly. According to the diameter changes of the inner wall of the pipe, the elastic bag body is forced to deform for keeping the internal gas pressure intensity unchanged, the outer ring diameter and length ofthe elastic bag body are changed correspondingly, therefore, the coating layer is kept in the state of being in fit with the inner wall of the pipe, and anticorrosion coating for the inner wall of the multi-variable-diameter pipe is achieved.
Owner:ANHUI RUIZHIXIN INFORMATION TECH CO LTD

Point-to-point short-message transmitting and receiving method and system

The invention discloses a point-to-point short-message transmitting and receiving method and a point-to-point short-message transmitting and receiving system. The method comprises the following steps: a centralized dispatching center receives a common format data packet which carries short-message uplink information and which is sent by a signaling gateway of a sender affiliation region; according to the short-message uplink information obtained through resolving of the common format data packet, the centralized dispatching center obtains a signaling gateway address of a receiver affiliation region, determines short-message downlink information, and encapsulates and carries the short-message downlink information to the common format data packet; the centralized dispatching center sends the common format data packet carrying the short-message downlink information to a signaling gateway of the receiver affiliation region, and sends the short-message downlink information carried by the common format data packet to a receiver through the signaling gateway of the receiver affiliation region. The point-to-point short-message transmitting and receiving method and the point-to-point short-message transmitting and receiving system which are disclosed in the invention can solve the problems of resource waste, poor intercommunity, a lot of signaling transfer frequencies and the like which are resulted from combined arrangement of signaling gateways and dispatching centers of various region short-message centers in the prior art.
Owner:CHINA UNITED NETWORK COMM GRP CO LTD

Multi-chain structure compatible method and system for bearing massive token circulation

InactiveCN112565240ASolve the problems of different underlying transaction modelsAvoid the Double Spending ProblemDatabase distribution/replicationTransmissionFinancial transactionSmart contract
The invention discloses a multi-chain structure compatible method and a multi-chain structure compatible system for bearing massive token circulation, aiming at the problem that block chains cannot becompatible and intercommunicated due to data structure isomerism. The method specifically comprises the steps: in a multi-chain network, a transaction process based on a block chain realizes a transaction execution architecture (a transaction idea based on the block chain and a cross-chain intelligent contract technology), the block chain combines technologies such as a PKI system, authority management and a national cryptographic algorithm, a cross-chain process among the block chains is completed through the cross-chain intelligent contract, and based on a data exchange method and a data interaction method among multiple chains, multi-chain cross-chain infrastructure construction for supporting asset circulation is realized, and based on the multi-chain cross-chain infrastructure, the multi-chain cross-chain infrastructure can be compatible with various block chain structures in a multi-chain network to realize bearing of massive asset data.
Owner:HANGZHOU YUNXIANG NETWORK TECH

Data processing method and device, computer readable storage medium and electronic equipment

The invention provides a data processing method, a data processing device, a computer readable storage medium and electronic equipment. Relates to the technical field of front-end webpages. The data processing method comprises the following steps: acquiring to-be-processed data transmitted by an external part; performing attribute type matching on the to-be-processed data to obtain target data matched with a target attribute in the to-be-processed data; and processing the target data according to the data type corresponding to the target attribute so as to transmit the target data to a webpage for display. According to the data processing method, the problem that parts in different front-end development frameworks cannot be universal can be solved to a certain extent, and then the data processing efficiency is improved.
Owner:BEIJING WODONG TIANJUN INFORMATION TECH CO LTD

Data processing method, block chain network and storage medium

The invention discloses a data processing method, a block chain network and a storage medium, and belongs to the technical field of block chains. The method comprises the steps that a first node issues service data provided by a second device under a second node and obtained from a block chain to the first device under the first node; the first node receives a data change request initiated by thefirst device after using the service data, wherein the data change request comprises the device model of the first device and subscription service information corresponding to the service data; the first node obtains related information of the second equipment according to the subscription service information, wherein the related information comprises the equipment type of the second equipment; and the first node changes the account data corresponding to the equipment model of the first equipment and changes the account data corresponding to the equipment model of the second equipment according to the smart contract of the first equipment and the second equipment. Linkage of equipment under different Internet of Things platforms is realized through cross-platform excitation, and the intelligent experience of a user is improved.
Owner:SICHUAN PANOVASIC TECH +1

An Integrated Information System for Offshore Platforms Based on Distributed Technology

The present invention relates to a comprehensive information integration system for offshore platforms based on distributed technology, which has the ability of long-term, continuous, and real-time data collection, centralized monitoring, and centralized storage of the operating status of various business systems on the platform, and supports remote monitoring and command. Centrally stored data can provide data processing and analysis services. The system mainly consists of five parts: platform data center, centralized monitoring center group, remote data service center, mobile application system and Beidou transmission module. The system is deployed as a whole on the floating platform, islands and reefs, the headquarters and the cloud. The present invention adopts OPC‑UA standard technology and cloud computing technology to realize the three places of the offshore platform, nearby islands and reefs, and the headquarters, and to realize the data intercommunication based on the mobile terminal without limiting the specific physical orientation, and has high reliability, safety and reliability. Maintainability, can effectively adapt to severe weather conditions at sea.
Owner:CHINA SHIP SCIENTIFIC RESEARCH CENTER (THE 702 INSTITUTE OF CHINA SHIPBUILDING INDUSTRY CORPORATION)

Network element interworking method and AAA (authentication, authorization and accounting) server

The invention provides a network element interworking method and an AAA (authentication, authorization and accounting) server. The method comprises the following steps: the AAA server receives and processes a message from a first network element group, wherein, the first network element group is positioned at one side of the AAA server; when the AAA server determines that a protocol type supported by the received message is inconsistent with that supported by a second network element group, the AAA server converts the processed message into a message with a format of the protocol type supported by the second network element group, wherein, the second network element group is positioned at the other side of the AAA server; and the AAA server processes the converted message and sends the processed message to the second network element group. By adopting the technical proposal in the invention, the problem that different network elements at two sides of the AAA server can not be interconnected based on different protocols in the related art is solved, thus achieving the purpose of interconnection between different network elements at the two sides of the AAA server based on different protocols.
Owner:ZTE CORP

Uplink transmission method and downlink transmission method of ultra-high-definition video signal

The invention provides an uplink transmission method and a downlink transmission method for an ultra-high-definition video signal, and the method comprises the steps: carrying out the coding of a collected ultra-high-definition video signal, and obtaining a coded signal; modulating the coded signal according to the working frequency band of a target satellite transponder to be used to obtain a modulated signal; performing power amplification on the modulation signal to obtain a power-amplified modulation signal; and transmitting the modulation signal after power amplification to a target satellite transponder through a preset antenna, so that the target satellite transponder forwards the modulation signal after power amplification. The transmission quality and the transmission efficiency of the ultra-high-definition video signal are improved, and efficient transmission and further application of the ultra-high-definition video signal are facilitated.
Owner:北京中联合超高清协同技术中心有限公司

Offshore platform comprehensive information integration system based on distributed technology

ActiveCN110545321AEnsure reliability and platform data securityReduce the number of on-duty personnel on the platformTransmissionService systemCloud computing
The invention relates to an offshore platform comprehensive information integration system based on a distributed technology, which has the capability of performing long-term, continuous and real-timedata collection, centralized monitoring and centralized storage on the operation state of each service system of a platform, supports remote monitoring and command, and can provide data processing and analysis services for the centralized storage data. The system is mainly composed of five parts: a platform data center, a centralized monitoring center group, a remote data service center, a mobileapplication system and a Beidou transmission module. The system is integrally deployed on a floating body platform, an island reef, a body and a cloud. According to the invention, an OPC-UA standardtechnology and a cloud computing technology are adopted to realize data intercommunication of an offshore platform, nearby islands and reefs, the local three places and based on a mobile terminal without limiting specific physical orientation, and the system has high reliability, safety and maintainability, and can effectively adapt to severe meteorological conditions on the sea.
Owner:CHINA SHIP SCIENTIFIC RESEARCH CENTER (THE 702 INSTITUTE OF CHINA SHIPBUILDING INDUSTRY CORPORATION)

Data transmission method and communication device

The invention discloses a data transmission method and a communication device, relates to the technical field of communication, and solves the problem that networks using different SR protocols cannot communicate with each other in the prior art. According to the specific scheme, gateway equipment receives first data and first address information from first network equipment of a first network, the first address information is a virtual identifier of second network equipment in a second network, and the second network equipment is equipment on a transmission path of a first data packet; the first network and the second network correspond to different SR protocols; the gateway equipment determines the SID of the second network equipment according to the virtual identifier of the second network equipment; and the gateway equipment sends a second data packet comprising the first data and second address information to equipment in a second network according to the SID of the second network equipment, and the second address information is the SID of the second network equipment. The embodiment of the invention is used for the intercommunication process of the SRv6 network and the SR-MPLS network.
Owner:HUAWEI TECH CO LTD

Method, equipment and network for short-distance communication

A short distance communication device, wherein a monitoring module is used to monitor the beacon sent by a beacon sending device in a wireless personal area network (WPAN) and control a transceiver module to receive the information sent by the beacon sending device according to the parameters in the monitored beacon, and / or send the information to the beacon sending device; the transceiver module is used to exchange information with another device in the network; a requirement processing module is used to receive the information acquiring request sent by the other device in the network at any moment through the transceiver module when the short distance communication device is in the working state, and control the transceiver module to directly send the information to the device sending the request when it determines that the corresponding information exists in the device. Another kind of short distance communication device, a short distance communication network and a method are provided. Such communication devices enable the beacon network and the non-beacon network to exist concurrently in a WPAN and adapt for the different applications.
Owner:HUAWEI TECH CO LTD

Intelligent water affair Internet of Things multi-system fusion networking system and method

The invention discloses an intelligent water affair Internet of Things multi-system fusion networking system and method. The system comprises a water quality automatic monitoring device, an HB212 exchange center, an inspection well liquid level monitoring device, an L0RA exchange center and a data exchange center. The water quality automatic monitoring device and the inspection well liquid level monitoring device carry out data interaction with the data exchange center through the HB212 exchange center and the L0RA exchange center respectively. The data exchange center generates a protocol corresponding to the HB212 exchange center and the LORA exchange center; the data exchange center sends an instruction to the HB212 exchange center and the LORA exchange center; after the HB212 exchangecenter or / and the LORA exchange center receives the instruction, the HB212 exchange center or / and the LORA exchange center receive the instruction; the water quality automatic monitoring device or / andthe inspection well liquid level monitoring device is / are driven to collect water body concentration or / and inspection well liquid level height; after the data is collected, the data is uploaded to the corresponding HB212 exchange center or LORA exchange center, and the HB212 exchange center or LORA exchange center obtains the data and uploads the data to the data exchange center. According to the invention, the problem that different types of equipment cannot be interconnected and intercommunicated is solved.
Owner:CHONGQING ZHONGHANG SCIENCE AND TECHNOLOGY CO LTD

Fusion system for video monitoring system and video meeting system

An involvement system of a video monitor system and a video session system provided in the invention comprises that the video monitor system and the video session system are provided with an IP network for transmission, to thereby implement transmission and interaction of data through the IP network; a video monitor control platform of the video monitor system and a multipoint control unit of the video session system are both provided with separation processing of control data and media data, with one to one data processing structure, where a protocol processing module is set correspondingly in an image schedule control core unit of the video monitor system according to the protocol used by the video session system, to thereby implement display of the video monitor system coder, to the video session system terminal output to external televisions, and display from the video session system terminal to the video monitor system to the external large screen by means of the image decoder output control core unit. With the structure of P2P communication here provided, it implements communication of control data and media data, and resolves problems in current technology that the two sets of systems are independent to each other, without data commutation.
Owner:天地阳光通信科技(北京)有限公司

Data transmission system and data transmission method based on CAN network switching

The invention discloses a data transmission system based on CAN network switching. The data transmission system comprises a CAN looped network module for collecting real-time state data of each platform door and transmitting the real-time state data to a CAN network switching module, the CAN network switching module for receiving the real-time state data, converting the real-time state data into data information suitable for an Ethernet transmission module and transmitting the data information to the Ethernet transmission module, the Ethernet transmission module used for transmitting data information to the PSC, the PSC and PSA used for processing the data information, and a display system used for displaying the information. The CAN looped network module is composed of a plurality of CANlooped networks, each CAN looped network comprises a plurality of CAN nodes, each CAN node comprises a DCU, and the DCUs are in one-to-one correspondence with the sliding doors and used for collectingreal-time state data. According to the data transmission system based on CAN network switching provided by the invention, double CAN looped networks are used internally, and double network cables areused externally for communication, so that data and communication sharing is realized, and the reliability of the system is improved.
Owner:北京天乐泰力科技发展有限公司

Data asset management platform based on petroleum business

The invention discloses a data asset management platform based on petroleum business, relates to the field of petroleum, and aims to solve the problem that data cannot be interconnected and isolated due to the fact that data generated in each link cannot be managed in a unified manner in existing data asset management. The system comprises a data asset map which is used for carrying out statistics on a data range concerned by a user; the model assets are used for calculating the quantity and details of theoretical data according to the relationship between the objects on the specific business nodes and the object data; the system further comprises a data model used for listing data results on the data asset map, the petroleum business model is established through the construction of the data asset map, the model assets and the data assets, and due to the existence of model coordinates, business logic relations naturally exist among data resources, so that the business logic relations among the data resources are optimized. The problems that data cannot be interconnected and intercommunicated and data are isolated can be effectively solved.
Owner:武汉侏罗纪技术开发有限公司

Diagnosis and treatment data processing method and device, electronic equipment and storage medium

The embodiment of the invention discloses a diagnosis and treatment data processing method and device, electronic equipment and a storage medium. The method comprises the following steps: establishing communication connection between a first client and a second client based on target identification equipment; and based on the communication connection, sending the diagnosis and treatment data in the first client to the second client, and correspondingly storing the diagnosis and treatment data in the second client according to corresponding fields. The communication between the first client and the second client is established based on the target identification equipment, so that the historical diagnosis and treatment data of the doctor seeing user can be transmitted to different diagnosis and treatment systems, the problem that the diagnosis and treatment data cannot be intercommunicated in the prior art is solved, the intercommunication of the diagnosis and treatment data between different medical systems is realized, and the diagnosis and treatment efficiency is improved. And the effects of improving the medical quality and the medical service level are achieved.
Owner:挂号网(杭州)科技有限公司

Method for unified conference platform system, gateway and conference management and conference creation

The invention discloses a unified conference platform system, a gateway, and a conference management and conference creation method. The system includes: a signaling gateway cluster for receiving a conference request message sent by a calling platform, and the conference request message includes the called information of the platform; the load balancing service module is used to select the adaptive signaling gateway according to the information of the called platform, and selects the adaptive media gateway according to the load condition of the media gateway cluster; the adaptive signaling gateway is used to Then send invitation information to the called platform, the invitation information includes the capability set information of the adaptive signaling gateway itself; the adaptive media gateway is used to receive the streaming media information sent by the calling platform or the called platform; According to the audio and video requirements of the calling platform or the called platform, re-decode, adapt and encode the audio and video conference code stream, and package and send it according to the transmission protocol of the calling platform or called platform.
Owner:ZHEJIANG HUACHUANG VISION TECH CO LTD

Service mapping processing method, device and system for optical transmission network

Embodiments of the present invention provide a service mapping processing method, device and system for an optical transport network. The service mapping processing method of the optical transmission network of the present invention includes: generating mapping adaptation indication information according to the mapping granularity of the low-order optical channel data unit LO ODU to be carried, where the mapping granularity is M×g bytes, where M is the LO to be carried The number of time slots occupied by the ODU in the optical channel payload unit OPUCn, g is the mapping granularity corresponding to each time slot in the time slots occupied by the LO ODU, g is a positive integer greater than 1; according to the mapping adaptation indication information Map the LO ODU to be carried to the ODTUCn.M payload area in the optical channel data tributary unit ODTUCn.M, ODTUCn.M includes the ODTUCn.M overhead area and the ODTUCn.M payload area; encapsulate the mapping adaptation indication information into ODTUCn.M overhead area; encapsulate ODTUCn.M into optical channel transmission unit OTUCn; send OTUCn to the receiving end device. The embodiment of the present invention avoids the problem that the sending and receiving ends cannot intercommunicate because the OTUCn with different mapping granularity is adopted.
Owner:HUAWEI TECH CO LTD

Cloud network communication method, platform, equipment and storage medium

The invention provides a cloud network communication method, platform and device and a storage medium, which are used for solving the problem that internal and external networks cannot be interconnected and intercommunicated in the prior art. The cloud network communication method is applied to a computer device in a cloud network, and the method comprises the following steps: when an access request of an external network device for accessing a specified container in the cloud network is received, judging whether the specified container is located locally; and if so, performing proxy communication with the external network device for the specified container.
Owner:ZHEJIANG DAHUA TECH CO LTD

Data intercommunication construction method of BIM power supply system comprehensive maintenance management platform

The invention provides a data intercommunication construction method of a BIM power supply system comprehensive maintenance management platform. The method comprises the following steps: S1, establishing SysID for equipment monitored and managed by the BIM power supply system comprehensive maintenance management platform; s2, respectively acquiring 6C system detection monitoring data, PSCADA monitoring data, AMS monitoring data and MIS equipment maintenance data; and S3, establishing a unique mapping relationship between the system ID of the data and the SysID, and realizing data intercommunication of the 6C system, the PSCADA, the AMS and the MIS. According to the method, a complete systematic mapping rule is formed on the basis of SysID, state repair comprehensive basic data fusion is achieved, matching with input and output data of statistics and analytic hierarchy processes is achieved, data support is provided for equipment comprehensive evaluation indexes and residual life prediction results, and a complete technical means is provided for state repair.
Owner:CHINA RAILWAY ELECTRIFICATION SURVEY DESIGN & RES INST +1
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products