China latest patents query

The latest invention patents collect the data information of China invention patents from 2000 to 2024, typesetting according to the date of patent publication, including patent number, application date, invention Bibliographic data, abstracts, and specification data of people are convenient for scientific researchers to quickly browse and search for patents.

A head vein indwelling needle protection device

InactiveCN105521535BImprove protectionAvoid secondary painMedical devicesInfusion needlesVeinHead veins

Owner:ANHUI POLYTECHNIC UNIV

A method and system based on real-time monitoring of file content received by a mobile terminal

ActiveCN112422739BLive UpdateIncrease flexibilityNatural language data processingSubstation equipmentRemote controlRecord

Owner:南京中孚信息技术有限公司

Fluorine-containing maleimide compound and its production method

ActiveCN103288866BExcellent water and oil repellencyHigh yieldSilicon organic compoundsCoated surfaceFluorine containing

Owner:SHIN ETSU CHEM IND CO LTD

Nano solid electrolyte and its preparation method and lithium ion battery

ActiveCN110970655BInhibit growthUniform particle size distributionSecondary cellsPhysical chemistryCross linker

Owner:XIAMEN UNIV

A Method for No-Reference Image Quality Prediction Using Multi-Layer Depth Representations

ActiveCN107743225BQuality improvementTelevision systemsFeature extractionAlgorithm

Owner:HANGZHOU DIANZI UNIV

Asymmetrical phase-adjustable Mach-Zehnder interferometer and preparation method thereof

ActiveCN103268001BFinely adjustable phaseAchieving Phase AdjustmentCoupling light guidesNon symmetricLight guide

Owner:SOUTHEAST UNIV

A method of soldering and encapsulating inner leads of in-line magnetic components

ActiveCN106206003BSimple production processLess prone to fatigueLine/current collector detailsCoils manufactureTinningSoldering

Owner:CHONGQING UNIV OF TECH

A navigation central control device with operation mode switching and automatic protection

ActiveCN111267748BEasy to controlReduce the chance of injuryElectric/fluid circuitIn vehicleGear wheel

Owner:东莞市飞音电子有限公司

An automatic film sticking device on the surface of an optical drive

ActiveCN103950602BAchieve automatic loading and unloadingImprove work efficiencyLabelling flat rigid surfacesEngineeringLight driven

Owner:苏州博智电子科技有限公司

Thin film transistor (TFT) array substrate, liquid crystal display panel and method for repairing distributed lines

ActiveCN102289120BAchieve the purpose of repairReduce scrapSolid-state devicesSemiconductor/solid-state device manufacturingLiquid-crystal displayScan line

Owner:TCL CHINA STAR OPTOELECTRONICS TECH CO LTD

High transmittance and high solubility macromolecular dye, color photosensitive resin composition and color filter

ActiveCN110850679BIncrease brightnessIncrease contrastOptical filtersOrganic dyesColor gelLight filter

Owner:BEIJING ETERNAL MATERIAL TECH

Seismic Mode Number Selection Method Based on Dual Index of Top Displacement and Bottom Shear Force

ActiveCN110110368BImprove calculation accuracyOvercome technical difficulties in value selection with experienceGeometric CADProtective buildings/sheltersClassical mechanicsGeophysics

Owner:QINGDAO TECHNOLOGICAL UNIVERSITY

Method for configuring and transmitting control information of multicast broadcasting service and base station

InactiveCN101820583BGuaranteed power saving needsReduce overheadAssess restrictionBroadcast service distributionCarrier signalBroadcast system

Owner:ZTE CORP

A method, system and electronic device for preventing false triggering of sliding on a touch screen

ActiveCN104281295BAvoid false triggersInput/output processes for data processingTouchscreenReal-time computing

Owner:ZTE CORP

Thread rolling equipment for parts processing

ActiveCN110405118BPrevent throwingMetal-working feeding devicesScrew-threads articlesEngineeringMachine

Owner:重庆宏生机电有限责任公司

Fruit tree evaporation-reducing agent

InactiveCN101473814BInhibit transpirational dehydrationNo adverse reactionDead plant preservationWarm waterPolyvinyl alcohol

Owner:SHIJIAZHUANG POMOLOGY INST OF HEBEI ACADEMY OF AGRI & FORESTRY SCI

a steamer

ActiveCN105581633BEasy to useSpread evenlySteam cooking vesselsWarming devicesProtruding shouldersEngineering

Owner:JIAXING ZHISHENG KITCHENWARE MFG CO LTD

A frequency-tunable coplanar waveguide series capacitor resonator

ActiveCN108847517BChange the resonant frequencyWide applicabilityResonatorsCapacitanceDielectric

Owner:NANJING UNIV OF POSTS & TELECOMM

Multi-point ultrasonic vibration cbn grinding wheel dressing device

ActiveCN103921213BIncrease stiffnessImprove stabilityAbrasive surface conditioning devicesThree-phaseEngineering

Owner:CONPROFE TECH GRP CO LTD +1

Hyperdispersant, thermoplastic resin-based carbon fiber composite material and preparation method thereof

ActiveCN111116930BGood dispersionImprove liquidityFiberInorganic nanoparticles

Owner:SUN YAT SEN UNIV

Cloning of Japanese blood fluke vaccine antigen gene and its expression and application

ActiveCN100497627CDecline in the number of adultsDecrease in the number of eggsProtozoa antigen ingredientsImmunoglobulins against animals/humansSchistosoma japonicum antigenVaccine antigen

Owner:STATION OF VIRUS PREVENTION & CONTROL CHINA DISEASES PREVENTION & CONTROL CENT +1

Portable sterilization and epidemic prevention device for space sterilization and epidemic prevention

PendingCN114322183AIncrease contact rateLong floating timeMechanical apparatusSpace heating and ventilationSurgeryBiomedical engineering

Owner:(주)엘지에스코퍼레이션

Antibiotic-free piglet conservation material and preparation method thereof

InactiveCN102987153BReduce dependenceDelay drug resistanceAnimal feeding stuffPhytaseThreonine

Owner:河南商都生物技术股份有限公司

Cable trench structure, cable laying structure and cable laying method

ActiveCN106253190BCable installations on groundEngineeringSoil cover

Owner:GUANGZHOU ELECTRIC POWER DESIGN INST +1

A method for producing vanadium-containing pig iron by utilizing vanadium-containing steel slag

ActiveCN111057843BAchieve recyclingAvoid pollutionProcess efficiency improvementCokeRiver sand

Owner:攀枝花市恒豪铸造有限公司

Tooth-cleaning antimicrobial gel recipe and preparation method thereof

ActiveCN103110536BGood thickening effectIncrease the fragranceCosmetic preparationsToilet preparationsOral diseaseOLEAMIDOPROPYL BETAINE

Owner:GUIZHOU YANGSHENG MEDICAL INSTR

A kind of array substrate and its preparation method, and liquid crystal display device

ActiveCN103018990BPrevent proliferationSolid-state devicesSemiconductor/solid-state device manufacturingDiffusionLiquid-crystal display

Owner:BOE TECH GRP CO LTD

A method and device for message compression based on data message classification

ActiveCN106411872BReduce loadRelieve transmission pressureData switching networksAccess control listData messages

Owner:HANGZHOU DPTECH TECH

Method and device for detecting video playback state

ActiveCN106792163BImprove detection efficiencyImprove practicalitySelective content distributionComputer hardwareEngineering

Owner:上海乐欢软件有限公司

A Dual Circularly Polarized Array Antenna

ActiveCN107492713BCompact structureImprove isolationParticular array feeding systemsRadiating elements structural formsAxial ratio bandwidthHigh isolation

Owner:SOUTHEAST UNIV

Heat-curing release coating agent, release film, and polyethylene terephthalate release film

ActiveCN106867004BReduce mold releaseLow residual adhesionSynthetic resin layered productsPolyether coatingsPolymer sciencePolyethylene terephthalate glycol

Owner:ARAKAWA CHEM IND LTD

A purification system for purifying vocs in the air

ActiveCN104785101BImprove adsorption capacityImprove efficiencyDispersed particle separationAir quality improvementSorbentLaterite

Owner:MAANSHAN HUASHENG METALLURGICAL SCI & TECH DEV

Resource request processing method, device and equipment

ActiveCN110826048BReduce stepsImprove user experienceDigital data authenticationThe InternetData access

Owner:北京水滴科技集团有限公司

Table tool

InactiveCN101209504BAvoid overload damageMetal sawing devicesMetal sawing accessoriesWorkbenchMotor protection

Owner:POSITEC POWER TOOLS (SUZHOU) CO LTD

A self-closing valve for domestic gas with small force loss

ActiveCN112212041BAvoid elasticAvoid misuseSpindle sealingsOperating means/releasing devices for valvesEngineeringPressure balance

Owner:台州众禾金属制品有限公司

Information push method and big data server based on edge computing and artificial intelligence

ActiveCN112671886BGet session interestImprove Acquisition AccuracyWeb data indexingBuying/selling/leasing transactionsService flowEdge computing

Owner:中科星云物连科技(北京)有限公司

Fermentation medium and method for producing plasmid DNA vaccine pSVK-CAVA for treatment of melanoma by fermentation medium

InactiveCN103952367ABacteriaGenetic material ingredientsMelanomaTrace element

Owner:INST OF BASIC MEDICAL SCI ACAD OF MILITARY MEDICAL SCI OF PLA

Backlight module

ActiveCN103883927BLower the altitudeMeet the requirements of thinningLight fasteningsSemiconductor devices for light sourcesEngineeringLight-emitting diode

Owner:SHENZHEN ZHONGSHEN OPTOELECTRONICS

Process for preparing vinylidene chloride polymer/clay composites

ActiveCN104125968BCoatingsPolymer scienceFluid phase

Owner:SOLVAY SA

Underwater airtight cabin cable connection penetration

ActiveCN105161907BImprove conductivityEasy to manufactureCoupling device detailsUnderwaterElectrical connection

Owner:哈尔滨深能电机有限公司

Switching Units for Railway Vehicles

ActiveCN108454413BReduce width sizeElectric devicesHigh-tension/heavy-dress switchesElectrical conductorAutomotive engineering

Owner:HITACHI IND EQUIP SYST CO LTD

Luohanshen flower tea and its producing method

InactiveCN1943378BPre-extraction tea treatmentFood preparationFood flavorGreen tea

Owner:袁福君

Elbow-shaped inserting/pulling type metal-oxide lighting arrester

InactiveCN101465187BMeet the use requirementsGuaranteed safe operationOvervoltage protection resistorsElectric power systemAc power system

Owner:窦建中

Hot-melt reinforced flushable non-woven material and production method

ActiveCN104775234BMeet strength requirementsLow tangle stateNon-woven fabricsPolymer sciencePolymer chemistry

Owner:HANGZHOU NBOND NONWOVENS

Injecting, bubbling ,dust settling, desulfurating and absorbing tower with vertical screen deck

InactiveCN100518898CEvenly distributedHigh porosityUsing liquid separation agentIndustrial waste waterFlue gas

Owner:HUNAN UNIV

A CNC double-station polishing machine

ActiveCN111941249BClean and orderly production environmentSuitable working environmentPolishing machinesGrinding machinesCircular discPolishing

Owner:东莞市尚弘博实业有限公司

Medicine for preventing bedsore

InactiveCN100522219CFormulation ScienceSimple preparation processDermatological disorderPlant ingredientsTherapeutic effectBULK ACTIVE INGREDIENT

Owner:巩翠贤

Streaming radio communication using arq and selective retransmission of packets in a bursty state

InactiveCN103733556BError prevention/detection by using return channelData streamTransceiver

Owner:NORDIC SEMICONDUCTOR

A machining drilling machine

ActiveCN113560622BSimple structureSimple and flexible operationLarge fixed membersBoring/drilling machinesStructural engineeringMechanics

Owner:江苏省连云港工贸高等职业技术学校

Matte effect self-supporting zip pocket

InactiveCN103523344BHas a matte finishImprove heat resistanceSynthetic resin layered productsBagsPolyesterPolyurethane adhesive

Owner:JIANGSU SUNKEY PACKAGING

Subcutaneous cellulite treatment systems and methods

PendingCN114793417AEliminate wrinklesIncision instrumentsSurgical scissorsSeptal wallSurgery

Owner:雷维尔美学公司

An Internet-based Interactive Office System

ActiveCN109978569BIncrease motivationEffects of psychological stressCustomer relationshipText database queryingService personnelThe Internet

Owner:山东凤和凰城市科技有限公司

A kind of wire drawing oil for stainless steel wire drawing

InactiveCN103992853BImprove heat stabilitySmall side effectsAdditivesBase-materialsGlycerolSurface modification

Owner:广州思栎达钢制品有限公司

Temporary space-limiting structure and method for tower girder of super-wide steel box girder cable-stayed bridge with curved tower body

ActiveCN111945568BSimple structureEven by forceBridge erection/assemblyArchitectural engineeringTower

Owner:CHINA TIESIJU CIVIL ENG GRP CO LTD +1

A class of compounds that improve the sensitivity of pca drug-resistant cells to antagonists and their use

ActiveCN111961046BIncreased sensitivityOrganic active ingredientsOrganic chemistryProstate cancerOncology

Owner:LEADINGEN BIOTECH INC

Process cleaning method and mobile terminal

ActiveCN106293910BProgram initiation/switchingApplication procedureProcess engineering

Owner:YULONG COMPUTER TELECOMM SCI (SHENZHEN) CO LTD

Integrated circuit structure

ActiveCN102054857BSemiconductor/solid-state device manufacturingSemiconductor devicesSemiconductor materialsEngineering physics

Owner:TAIWAN SEMICON MFG CO LTD

Application of pigeon pea ketonic acid A in terms of preparation of medicines for accompanied diseases of diabetes mellitus and hyperlipidaemia

ActiveCN102670576BLower cholesterol levelsNormal blood sugarOrganic active ingredientsMetabolism disorderDiseaseKetonic acids

Owner:GUANGZHOU YUNZHONG BIOTECH

A method, device, system and storage medium for detecting packet loss

ActiveCN111262751BKey distribution for secure communicationComputer networkPacket loss

Owner:BEIJING QIANXIN TECH +1

A medium replacement method for shield machine soil bin during freezing process

ActiveCN108979646BImprove liquidityIncrease pressureTunnelsSoil scienceGelisol

Owner:CHINA TUNNEL CONSTR GUANGDONG

Electronic device and its information processing method

ActiveCN103294174BImprove experienceInput/output for user-computer interactionGraph readingInformation processingHuman–computer interaction

Owner:LENOVO (BEIJING) LTD

A gearbox shock absorber

ActiveCN103899738BSo as not to damageReduce shift shockVibration suppression adjustmentsGearing detailsCar drivingFlange

Owner:QIANCHAO BEARING +1

A battery winding mechanism for tab detection

ActiveCN112635848BReduce the risk of missed detectionAccurate judgmentAssembling battery machinesFinal product manufactureElectrical batteryEngineering

Owner:HEFEI GUOXUAN HIGH TECH POWER ENERGY

Method for preparing mesoporous molecular sieve

InactiveCN100364888CHigh hydrothermal stabilityEasy to manufactureCrystalline aluminosilicate zeolitesMolecular sieveWater soluble

Owner:EAST CHINA UNIV OF SCI & TECH

wearable electronics

ActiveCN108563110BStrong wireless communication abilityElectronic time-piece structural detailsAntenna adaptation in movable bodiesElectrical connectionHemt circuits

Owner:MOBVOI INFORMATION TECH CO LTD

A crawler crane platform eccentric arrangement structure and a crane containing the structure

InactiveCN102229411BReduce shipping costsImprove shipping reliabilityCranesEngineeringTransportation cost

Owner:ZHEJIANG SANY EQUIP

A power battery cooling system and cooling method for electric vehicles

ActiveCN104300187BReduce energy consumptionGuaranteed humiditySecondary cellsPropulsion coolingPower batteryEngineering

Owner:BEIJING ELECTRIC VEHICLE

Work Implement

PendingCN113857572AReduce wearGuaranteed uptimeMetal sawing devicesNon-rotating vibration suppressionTransverse forceEngineering

Owner:ANDREAS STIHL AG & CO KG

A Method for Ring Vulcanization of Piezoelectric Ceramics with Small Cylindrical Acoustic Beacon with Internal Ribs

ActiveCN109130022BGood effectSimple methodUsing reradiationDomestic articlesEngineeringMechanical engineering

Owner:中国船舶重工集团公司第七六〇研究所

Processing technique of local deformation of cylinder jacket

ActiveCN101613788BIncrease productivityReduce manufacturing costFurnace typesIncreasing energy efficiencyTop dead centerPiston ring

Owner:ZYNP GRP

A method and system for obtaining a link overhead value of an ip link

ActiveCN103491002BSave manpower and material resourcesHybrid transportNetworks interconnectionFeature parameterIp layer

Owner:BEIJING HUAWEI DIGITAL TECH

Method for preparing needle coke by coal-tar asphalt

InactiveCN101580242BImprove high temperature resistanceStable high temperature resistanceCopper wireEngineering

Owner:TAIYUAN UNIV OF TECH

Data communication method and system

ActiveCN102571851BReduce the numberReduce consumptionTransmissionCommunications systemComputer science

Owner:ALIBABA GRP HLDG LTD

Multi-code-channel power matching method and device

InactiveCN102281620BReduce mutual interferenceImprove demodulation performancePower managementPhase-modulated carrier systemsChannel powerTD-SCDMA

Owner:ZTE CORP

Jigsaw Pieces, Puzzles & Toys

ActiveCN112138366BAdd funWith splicing functionIndoor gamesToysBase codeAlgorithm

Owner:SHENZHEN MAKER WORKS TECH CO LTD

Method and device for detecting water quality

ActiveCN101672778BHigh measurement accuracyCondensation guaranteedTransmissivity measurementsWater qualityMeasurement precision

Owner:FOCUSED PHOTONICS +1

A coumarin tris(2-aminoethyl)amine Schiff base fluorescent probe and its application

ActiveCN107602517BAchieve blockingAchieve fluorescence recognitionOrganic chemistryFluorescence/phosphorescenceQuantum yieldHEPES

Owner:东营睿港招商服务有限责任公司

Lithium-ion battery for automobile

ActiveCN104505481BEasy to carryPrevent displacementCell component detailsBatteriesLithium-ion batteryMechanical engineering

Owner:湖州天丰电源有限公司

Method for separating and recovering ethyl acetate and methanol

InactiveCN102746147BEmission reductionImprove protectionOrganic compound preparationHydroxy compound preparationEthyl acetateToxic industrial waste

Owner:CHONGQING UNIV

Medicinal composition for preventing and treating hyperplasia of prostate and preparation method thereof

InactiveCN1253163CInhibit ear swellingEnhance anti-inflammatoryAnthropod material medical ingredientsUrinary disorderPLANTAGO SEEDPharmaceutical drug

Owner:JIANGSU PROVINCE INST OF TRADITIONAL CHINESE MEDICINE

Calibration device and method for motion law of cam follower

ActiveCN105180810BQuick installationImprove calibration efficiencyUsing optical meansEngineeringCam

Owner:HUAZHONG UNIV OF SCI & TECH

Preparation device and method of surface gradient scattering cladding optical power stripper

ActiveCN109031525BIncrease light scatteringHigh densityActive medium shape and constructionOptical light guidesFiberSurface gradient

Owner:INST OF SEMICONDUCTORS - CHINESE ACAD OF SCI

Polyacrylate adhesive for calcium plastic corrugated paper and preparation method thereof

InactiveCN103031089BFriendlyFast dissolutionEster polymer adhesivesPolyvinyl butyralAdhesive

Owner:NINGBO INST OF TECH ZHEJIANG UNIV ZHEJIANG

Projection-type training device for volleyball smashing

InactiveCN102755723BSport apparatusSimulation

Owner:HARBIN NORMAL UNIVERSITY

A system and method for automatic sorting bin bag label binding

ActiveCN109848051BSortingAlgorithmComputer monitoring

Owner:上海速晖智能技术有限公司

Method for synthesizing and purifying high-purity fatty acyl monoglyceride

ActiveCN102241586BHigh yieldReduce dosageOrganic compound preparationCarboxylic acid esters preparationPurification methodsMonoglyceride

Owner:暨科优脂(佛山)科技研发有限公司

A processing method of formaldehyde-free and pah4-free quick-frozen barbecue-flavored seasoned meat products

ActiveCN109673969BMeeting the Needs of a Healthy DietFood scienceBiotechnologyAnimal science

Owner:NANJING AGRICULTURAL UNIVERSITY

Application of zmbzip68 protein and its encoding gene in regulating low temperature stress in maize

ActiveCN113004381BImprove cold resistanceImprove tolerancePlant peptidesFermentationBiotechnologyGene targets

Owner:CHINA AGRI UNIV

A kind of bactericidal composition containing kresastrobin

ActiveCN104521978BGood synergyGood lasting effectBiocideFungicidesFluopicolideBULK ACTIVE INGREDIENT

Owner:SHAANXI MEIBANG PHARMA GRP CO LTD

System for operating control mechanisms of rods in a nuclear reactor

InactiveCN101206928AExtended service lifeEasy maintenanceAC motor controlNuclear energy generationResistive sensorsNuclear reactor core

Owner:DATA SYST & SOLUTIONS

Slurry and polishing method

ActiveCN109743878AImprove dispersion stabilityOther chemical processesSemiconductor/solid-state device manufacturingSlurryMetal

Owner:RESONAC CORPORATION

Method for Determining Road Surface Based on Vehicle Data

ActiveCN107901912BAutonomous decision making processExternal condition input parametersRoad surfaceData mining

Owner:HYUNDAI MOTOR CO LTD

A packing box for photovoltaic solar modules and its packing method

ActiveCN105584674BAvoid accumulationEasy to packBinding material applicationPhotovoltaic solar energyCarton

Owner:泗阳腾晖新能源技术有限公司 +1

3D printing photoelastic material and method for simulating buckling stress distribution after loading

ActiveCN108106762BHigh precisionThe result is accurateAdditive manufacturing apparatusForce measurement by measuring optical property variation3d printPhotoelasticity

Owner:CHINA UNIV OF MINING & TECH (BEIJING)

Method and device for window display of security software

ActiveCN102591626BFriendly human-computer interactionInternal/peripheral component protectionSpecific program execution arrangementsSecure stateHuman–robot interaction

Owner:TENCENT TECH (SHENZHEN) CO LTD

Recovery Storage System

ActiveCN104607391BGas current separationDispersed particle filtrationBaghouseEngineering

Owner:内蒙古多维尔生物科技股份有限公司

Encrypting anti-counterfeiting printing technology for modulating shapes of amplitude modulation dots of printed work through binary-system encrypting signal

InactiveCN102184428BCombating Illegal CopyingStrong anti-counterfeiting abilityVisual presentation using printersRecord carriers used with machinesElectronic documentScanner

Owner:BEIJING INSTITUTE OF GRAPHIC COMMUNICATION

wheel ends for vehicles

ActiveCN111194268BRolling contact bearingsHubsControl theoryLubricant

Owner:STEMCO PROD INC

A kind of ln-mofs nanosphere and its preparation method and application

ActiveCN110172159BHigh yieldParticle size controllableFuel and secondary cellsCell electrodesLithium–air batteryElectrical battery

Owner:DONGGUAN DONGYANG SOLAR SCI RES & DEV CO LTD

Hydrodesulfurization catalyst and system, preparation method thereof, and method for hydrodesulfurization of diesel

ActiveCN105478146BHigh desulfurization activityWith low sulfurCatalyst activation/preparationRefining to eliminate hetero atomsVulcanizationTrace element

Owner:CHINA PETROLEUM & CHEM CORP +1

Routing method and routing system

InactiveCN1319347CIncrease profitSpeed up routing queriesData switching networksSelection arrangementsRouting tableNetwork packet

Owner:ACCTON TECHNOLOGY CORPORATION

A roller frame with adjustable inner and outer diameters for large pipes

ActiveCN105151919BEven by forceUniform speedBand shapeGear wheel

Owner:湖北省路桥集团有限公司

Initial rainwater collection device for municipal roads based on rain and sewage diversion

ActiveCN113026917BEasy accessImprove protectionFatty/oily/floating substances removal devicesSewerage structuresRainwater harvestingSewage

Owner:江阴新城建设工程有限公司

Mechanism for controlling ink of roller stamping machine

ActiveCN103465655BControllable oil contentConditions that do not cause accumulationStampingEngineeringMechanical engineering

Owner:CHINA ELECTRONICS GREAT WALL CHANGSHA INFORMATION TECH

A method and device for detecting the aging performance of a lead-acid battery safety valve

ActiveCN109211562BEasy to detectAccurately reflect the actual aging situationMachine valve testingControl engineeringSafety valve

Owner:TIANNENG BATTERY GROUP

Method for raising closing hinged cover to refuse to receive incoming call and delay time in hinged cover type mobile telephone

InactiveCN100563267CAvoid falsely rejecting important callsIncrease delay timeSubstation equipmentWireless communicationCommunications systemTime delays

Owner:INVENTEC(NANJING) TECH CO LTD