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.

Ramp based on longitudinal dynamics and vehicle load identification method

ActiveCN102506160BLow costAccurate identificationGearing controlControl unitAcceleration Unit

Owner:JILIN UNIV

Polarized light combined target common-path compensated two-dimensional photoelectric auto-collimation method and device

ActiveCN102176087BAccurately reflect the amount of driftImprove anti-interference abilityUsing optical meansOptical elementsBeam splitterOptical beam deflection

Owner:哈尔滨超精密装备工程技术中心有限公司

Smell-free kitchen waste separation equipment

InactiveCN105668657BControl dwell timeSolve the "dead water" problemFatty/oily/floating substances removal devicesTreatment involving filtrationEngineeringOil water

Owner:ANHUI TIANJIAN ENVIRONMENTAL PROTECTION

A wide ground clearance adjustable chassis and its adjustment method

InactiveCN103802628BSmooth ground clearanceSmooth goingResilient suspensionsHydraulic cylinderHydraulic motor

Owner:JIANGSU UNIV

A demodulator and demodulation method for a transmissive coaxial cable FAPO sensor

ActiveCN110830406BReal-time dynamic monitoring statusDynamic monitoring statusParticular environment based servicesMulti-frequency code systemsCoaxial cableHemt circuits

Owner:WATTS GALLOP SUZHOU SAFETY MONITORING INSTR

A simulation model for start-up and shutdown of hydropower units with different frequency regulation capacities in the frequency regulation market

ActiveCN112084640BAvoid problems where the solution range is too divergentSmall amount of calculationSingle network parallel feeding arrangementsDesign optimisation/simulationControl engineeringMachine

Owner:HUANENG LANCANG RIVER HYDROPOWER

A controller of airborne intelligent pump source system based on dsp

InactiveCN104214082BControl feverReduce weightPump controlPositive-displacement liquid enginesArea networkState parameter

Owner:BEIHANG UNIV +1

Hand-operated rechargeable lamp

ActiveCN101749551BLow costImprove charging efficiencyLighting device with mechanical driveElectric circuit arrangementsElectrical batteryTerminal voltage

Owner:OCEANS KING LIGHTING SCI&TECH CO LTD +1

Hybrid cell

InactiveCN100448094CLarge energy capacityMore energyFinal product manufactureElectrode carriers/collectorsElectrolytic agentElectrical battery

Owner:KAWASAKI HEAVY IND LTD +1

A bus automatic switching system and method suitable for remote fault diagnosis

ActiveCN108803582BRealize remote fault diagnosisProgramme controlElectric testing/monitoringMiddlewareEmbedded system

Owner:广州瑞修得信息科技有限公司

A method for measuring the correctness of thermocouple welds before thermal testing of spacecraft

InactiveCN104390728BReduce labor costsImprove measurement efficiencyElectrical testingThermometer testing/calibrationEngineeringHuman power

Owner:BEIJING INST OF SPACECRAFT ENVIRONMENT ENG

Transfer pipe for zinc alloy melt and manufacturing method thereof

ActiveCN101446372BGuaranteed StrengthCreate pollutionRigid pipesPipe protection against damage/wearThermal insulationSlag

Owner:ZHUZHOU SMELTER GRP

Parallel moving frame and its unloading device based on double power drive

ActiveCN113003237BLow installation requirementsLarge fit errorPackagingStorage devicesControl theoryMoving frame

Owner:ZHEJIANG LIBIAO ROBOT CO LTD

Speaker voice coil tool

ActiveCN102291652BOvercome the adverse effects of thermal expansion and contractionImprove assembly pass rateElectrical transducersThermal expansionEngineering

Owner:WUXI JIEFU ELECTROACOUSTIC

A Control Method for LEO Satellite Communication Line Switching Based on Multi-objective Genetic Algorithm

ActiveCN112558474BIncrease success rateShorten the timeHigh level techniquesAdaptive controlHandoff controlGenetics algorithms

Owner:CHONGQING UNIV OF POSTS & TELECOMM

A new masonry structure with strong resistance to debris flow impact

InactiveCN105178474BIncrease stiffnessWon't collapseWallsStructural engineeringBeam column

Owner:TONGJI UNIV

Bat body and manufacturing method thereof

InactiveCN106540420ADomestic articlesRacket sportsFiberEngineering

Owner:张荣士

System and method for transaction processing with transaction property feature

InactiveCN1554046AComplete banking machinesDigital data processing detailsComputer moduleTransaction processing system

Owner:ORACLE INT CORP

Process and device for preparing natural gas from household garbage

ActiveCN103484183BNear zero emissionsGaseous fuelsWaste based fuelEconomic benefitsProcess engineering

Owner:浙江森井生物技术股份有限公司

Driving assistance method of driving assistance device and driving assistance device

ActiveCN110709911BImprove detection accuracyAnti-collision systemsVehicle sub-unit featuresControl engineeringComputer science

Owner:NISSAN MOTOR CO LTD

A kind of terminal function modified low molecular weight polymer and its preparation method

ActiveCN110357995BImprove stabilityImprove universalityDrilling compositionPolymer scienceBetaine

Owner:青岛长兴高新科技发展有限公司 +1

Food-disease association prediction method based on disease weighting and food category constraints

ActiveCN109300549BSolve the sparse problemImprove accuracyMedical data miningNutrition controlFood categoryFood classification

Owner:TIANJIN UNIV OF SCI & TECH

Preparation method and application of a biomass-based hydrothermal carbon-supported nano-aluminum catalyst

ActiveCN112138644BGood spherical structureAvoid uneven loadSugar derivativesCatalyst activation/preparationAluminium chlorideFructose

Owner:ZHEJIANG UNIV

A punching machine for the production of lead-acid batteries that automatically removes burrs

ActiveCN110666212BAvoid WeldingImprove conductivityMaintainance and safety accessoriesBoring/drilling machinesElectric machineEngineering

Owner:王亚炜

Porcine Foot-and-Mouth Disease Virus Nonstructural Protein 3abc Antibody ELISA Kit

ActiveCN104478998BIncreased sensitivityStrong specificitySsRNA viruses positive-senseVirus peptidesChemical synthesisEpitope

Owner:CHINA ANIMAL HUSBANDRY IND

Cobalt tetroxide gas sensor, its preparation method, application and ozone-assisted n-butanol gas testing method

ActiveCN110672669BHigh sensitivityHigh selectivityMaterial resistanceCobalt(II,III) oxideN-Butyl Alcohol

Owner:WUHAN INSTITUTE OF TECHNOLOGY

Chinese proprietary medicine

InactiveCN100427117CQuality improvementQuality is easy to controlAntibacterial agentsAntiviralsMedicinal herbsMolecular composition

Owner:NANJING NORMAL UNIVERSITY

Separation measurement method for zero point and measurand of open-close current sensor

ActiveCN110988436BEasy to installEasy to operateCurrent measurements onlyCurrent transducerElectrical conductor

Owner:珠海多创科技有限公司

Device for manufacturing thin film by liquid phase epitaxial method

InactiveCN101760777BUniform thicknessPrevent throwingLiquid-phase epitaxial-layer growthCrucibleGraphite

Owner:NAN AN SANJING SOLAR POWER

Oligomer polymer and lithium battery

ActiveCN108084403BImprove securityCell electrodesElectrolytic agentMaterials science

Owner:王复民

A positioning and clamping tool and method

ActiveCN104400475BEasy loading and unloadingSimple structureLarge fixed membersPositioning apparatusNumerical controlEngineering

Owner:BEIJING RES INST OF TELEMETRY +1

A road repair device

ActiveCN113235372BImprove vacuuming effectEasy to moveRoad cleaningRoads maintainenceElectric machineryStructural engineering

Owner:舟山市宏达交通工程有限责任公司

Display panel and liquid crystal display device

ActiveCN110459192BFix technical issues with poor displayStatic indicating devicesLiquid-crystal displayEngineering

Owner:BOE TECH GRP CO LTD +1

Apparatus and method for providing risk information by using mobile id group information

InactiveCN112655034AAvoid damageEnsure damageVehicle position indicationAlarmsInternet privacyTerminal equipment

Owner:李到训

Low-calorie toast and preparation method thereof

PendingCN114391558AAdd flavorImprove qualityDough treatmentPre-baking dough treatmentBiotechnologyFiber

Owner:江苏爸爸糖餐饮管理有限公司 +1

A train air conditioning maintenance dispatching system and its working method

ActiveCN109409621BRealize failure predictionForecastingSpecial data processing applicationsAir conditioningData transmission

Owner:NEW UNITED RAIL TRANSIT TECH

A kind of Citrobacter freundii having the ability to decompose phosphorus and potassium and its application

ActiveCN104371945BGuaranteed stabilityStable genetic traitsBiocideBacteriaMicroorganismBacterial agent

Owner:西安金博瑞生态科技有限公司

Channel estimation method and corresponding sending and receiving device

InactiveCN101232481BAccurate estimateReduce complexityBaseband system detailsMulti-frequency code systemsEstimation methodsTransmission channel

Owner:ZTE CORP

An integrated message queue and message management method

ActiveCN108881479BSimplify the way you sendGuarantee authenticityTransmissionMessage queueEngineering

Owner:ZHONGKE HENGYUN CO LTD +1

Method for biochemically treating electroplating wastewater

InactiveCN101597129BHigh removal rateReduce dosageWaste water treatment from metallurgical processMultistage water/sewage treatmentPhysical chemistryElectroplating wastewater

Owner:ZHEJIANG GONGSHANG UNIVERSITY

LED (Light Emitting Diode) chip with improved light emitting structure and preparation method thereof

ActiveCN102280550BLarge luminous areaImprove luminous efficiencyLaser beam welding apparatusSemiconductor devicesEffect lightLight-emitting diode

Owner:SUZHOU NAFANG TECH DEV

Pairing method and pairing apparatus for wireless smart home devices

ActiveCN105137777BSimple structureLow costComputer controlProgramme total factory controlPairingComputer science

Owner:涂悦

Heat dissipation substrate

ActiveCN103068151BImprove cooling effectPromote formationCircuit susbtrate materialsSemiconductor devicesMetalMaterials science

Owner:SONGYANG ELECTRONICS MATERIAL KUSN

Full rubber toothed belt pressure feeder

InactiveCN104855040BCompact structureReduce volumeHarvestersDrive wheelWheel and axle

Owner:SHANDONG ACADEMY OF AGRICULTURAL MACHINERY SCIENCES

A parallel express packaging robot

ActiveCN106275616BImprove efficiencyProgramme-controlled manipulatorWrapper twisting/gatheringAction functionEngineering

Owner:广州启赋知识产权有限公司哈尔滨分公司

A protective device for network security equipment

ActiveCN109121329BInhibition of agglomerationAchieve dust removal effectDispersed particle filtrationCasings/cabinets/drawers detailsStructural engineeringMechanical engineering

Owner:安徽云图信息技术有限公司

Power transmission structure

ActiveCN109595071BSimple structureMachines/enginesFlywheelCylinder block

Owner:GUANGXI YUCHAI MASCH CO LTD

A military and police pistol close-range shooting training device

ActiveCN105737679BImprove mental qualityEasy to useTargetsPhysical medicine and rehabilitationRight Thigh

Owner:GUANGDONG JUNFENG SPECIAL EQUIP TECH DEV CO LTD

Solar collector module and system

InactiveCN102563899BImprove utilization efficiencyFast heatingSolar heating energySolar heat devicesGlass coverSolar energy

Owner:宋基盛

Rare earth-doped high-performance nb-based hydrogen permeable alloy and preparation method thereof

ActiveCN106834854BImprove hydrogen embrittlement resistanceHigh vacuum stateVacuum evaporation coatingSputtering coatingRare-earth elementIngot

Owner:SHANDONG UNIV OF SCI & TECH

A solar-blind ultraviolet light detector based on graphene oxide-loaded zinc sulfide cluster aggregates and its preparation method and application

ActiveCN111268717BEnhanced electron transport capabilitiesSolve persistent problems such as poor spectral response performanceLight-sensitive devicesZinc sulfidesUltraviolet detectorsUltraviolet lights

Owner:BEIJING NORMAL UNIVERSITY

Method, system and equipment for updating assembly

ActiveCN101656739BShorten the timeSave resourcesTransmissionTraffic capacityOperating system

Owner:KINGDEE SOFTWARE(CHINA) CO LTD

High-speed secure virtual private network channel based on network processor and its realization method

InactiveCN101262405BShorten the verification cycleHigh-speed encryption and decryption processingNetworks interconnectionSecuring communicationPrivate networkControl store

Owner:SOUTH CHINA UNIV OF TECH

Computer device and control method thereof

ActiveCN105912488BAvoid the problem of read and write conflictsData resettingBootstrappingProgrammable logic devicePlatform Controller Hub

Owner:INVENTEC PUDONG TECH CORPOARTION +1

A kind of high and low temperature instrument oil composition and preparation method thereof

ActiveCN108165351BLow and low temperature starting torqueImprove low temperature fluidityLubricant compositionAviationGear wheel

Owner:武汉博达特种润滑技术有限公司

a w _p /al composites with al ₂ o ₃ Ceramic welding method

ActiveCN104741808BImprove wetting performanceReduces the chance of void formationWelding apparatusZincCeramic

Owner:GRIMAT ENG INST CO LTD

Circularly polarizing plate and liquid crystal display

InactiveCN100368833CPolarising elementsNon-linear opticsLiquid-crystal displayOptical film

Owner:FUJIFILM CORP

Fireproof powder coating for wooden structure

ActiveCN104073102BStrong adhesionImprove water resistanceFireproof paintsAcrylic resinCoating system

Owner:HUZHOU BAISHENG PAINT

A Hand Shape Recognition Device and Method Based on Sparse Representation

ActiveCN105930802BImprove accuracyImprove robustnessCharacter and pattern recognitionMiniaturizationEngineering

Owner:JIAYING UNIV

Semiconductor device and method for manufacturing the same

InactiveCN1783437AImprove performanceTransistorSemiconductor/solid-state device manufacturingSemiconductorMaterials science

Owner:FUJITSU LTD

modular inverse operator

ActiveCN105988772BImprove computing efficiencyReduce power consumptionComputations using residue arithmeticOperandInverse operator

Owner:SHANGHAI FUDAN MICROELECTRONICS GROUP

Body Structure and Vehicle

ActiveCN109204463BHigh strengthImprove stabilityUnderstructuresSuperstructure subunitsControl theoryMechanical engineering

Owner:BYD CO LTD

A tunnel cable trench forming device and forming method

ActiveCN109057824BBeautiful lineImprove construction progressUnderground chambersTunnel liningClassical mechanicsHydraulic ram

Owner:CHINA GEZHOUBA GROUP CO LTD

Extension pipe having a joint for vacuum cleaner

InactiveCN1623487ASuction hosesAdjustable jointsEngineeringVacuum cleaner

Owner:SAMSUNG GWANGJU ELECTRONICS CO LTD

A liquid crystal panel detection control method replacing map sensor

ActiveCN112660828BAvoid adsorptionSafe handling controlControl devices for conveyorsCharge manipulationInformation controlControl system

Owner:ANHUI MA STEEL AUTOMATION INFORMATION TECH

A locking device for random position locking and its minimum force determination method

InactiveCN106567874BMeet the locking requirementsSimple structureFriction grip releasable fasteningsLocking mechanismEngineering

Owner:ZHONGBEI UNIV

Macrocyclic compounds and methods of making and using the same

InactiveCN108101948AAntibacterial agentsOrganic active ingredientsCombinatorial chemistryAnti infectives

Owner:RIB-X PHARMA

Alarm clock setting method and related products

ActiveCN107290951BImprove performanceAcoustic time signalsSubstation equipmentEmbedded systemAlarm clock

Owner:GUANGDONG OPPO MOBILE TELECOMM CORP LTD

Control device, control method for water heater, and program

ActiveCN108369028AImprove utilization efficiencyPower network operation systems integrationLoad forecast in ac networkElectric power systemProcess engineering

Owner:MITSUBISHI ELECTRIC CORP

A method for preparing high-hardness anti-reflection film based on hollow silicon oxide

ActiveCN109502987BUniform sizeHigh light transmittanceCoatingsSilicon compoundsPtru catalystFilm base

Owner:CHANGZHOU UNIV

Method for producing active carbon by core class charring material

InactiveCN101597057BReduce relative motionReduce lossesChemical industryMicrowaveProduct gas

Owner:承德绿世界活性炭有限公司

A biological tissue automatic immunohistochemical staining system

ActiveCN107907396BAchieve sealingPrevent infestationPreparing sample for investigationStainingLiquid storage tank

Owner:SHANXI UNIV

A kind of insecticidal composition containing dinotefuran and trichlorfon

ActiveCN110583683BLower doseDelay drug resistanceBiocideAnimal repellantsLychee fruitVermin

Owner:PLANT PROTECTION RES INST OF GUANGDONG ACADEMY OF AGRI SCI

Distributed Deployment Method of UAV 3D Wireless Communication Network

ActiveCN112965369BAvoid synchronizationAvoid askingAdaptive controlSimulationUncrewed vehicle

Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

A kind of method utilizing solvent distillation method to extract VC

ActiveCN108929295BReduce pollutionShort process routeOrganic chemistryOrganic solventDistillation

Owner:ANHUI BBCA FERMENTATION TECH ENG RES

Intelligent electrical equipment indoor environment temperature control method based on temperature difference

ActiveCN102508506BReduce unnecessary operationReduce stepsTemperatue controlTemperature controlTreatment results

Owner:山东德佑电气股份有限公司

A password reset method, device and system

ActiveCN104618314BImprove securityImprove business efficiencyPayment architectureTransmissionPasswordComputer terminal

Owner:TENCENT TECH (SHENZHEN) CO LTD

A capacitor core vacuum drying device for improving the heat conduction of water molecules

ActiveCN110010381BFast heat conductionImprove lock stabilityDrying/impregnating machinesWater vaporWater flow

Owner:湖北家仁太电子科技有限公司

A memristor-based item recommendation and device

ActiveCN108228642BImprove recommendation speedReduce volumeDigital data information retrievalSpecial data processing applicationsEngineeringData mining

Owner:HUAWEI TECH CO LTD

A vehicle safety control system, method and vehicle

ActiveCN111959461BAccurately determine the position heightEliminate misacquisition problemsFoot actuated initiationsBrake safety systemsControl systemSafety control

Owner:中关村科技租赁股份有限公司

A method, device and system for obtaining RSA key authorization when a terminal is locked

ActiveCN103973437BEnsure safetyMeet needsKey distribution for secure communicationSecurity arrangementPasswordData information

Owner:GUANGDONG OPPO MOBILE TELECOMM CORP LTD

Cucumber seed extract carbon steel acid pickling inhibitor and application thereof

InactiveCN103060826BPrevent over erosionAvoid excessive consumptionCleansing AgentsCarbon steel

Owner:INST OF OCEANOLOGY - CHINESE ACAD OF SCI

Electromagnetic interference containment in a transceiver module

ActiveCN101406111BCoupling device detailsFixed transformers or mutual inductancesTransceiverElectromagnetic interference

Owner:FINISAR

Method for returning regenerated catalyst to reactor in methanol-to-olefin process

ActiveCN102274752BReduce the temperatureMolecular sieve catalystsCatalyst regeneration/reactivationFluidized bedAlkene

Owner:CHINA PETROLEUM & CHEM CORP +1

Linen hammering machine

InactiveCN102653904BTextile treatment machine partsLiquid/gas/vapor fibres/slivers/rovings treatmentMechanical engineeringPiston rod

Owner:ANHUI TWINKLE TOURIST ARTICLES

Alloy semi-continuous vacuum casting system and its casting method

ActiveCN107442755BAutomatic height adjustmentKnown casting method changesAlloyGraphite

Owner:ASIA PACIFIC LIGHT ALLOY NANTONG TECH

A heating tube sealing test equipment

ActiveCN109186891BGuaranteed reliabilityImprove stabilityMeasurement of fluid loss/gain rateThermodynamicsComputer printing

Owner:安徽苏立科技股份有限公司

Quaternion Hartley approximate output method based on angular velocities for aircraft during extreme flight

InactiveCN102495830BImprove output accuracyGuaranteed iterative calculation accuracyComplex mathematical operationsQuaternionStochastic matrix

Owner:NORTHWESTERN POLYTECHNICAL UNIV

A Feature Recognition Method of Underwater Slender Body Based on Multi-bright Spot Cluster Analysis

ActiveCN108334893BAvoid affecting the estimated resultsEstimated lengthCharacter and pattern recognitionAlgorithmEngineering

Owner:INST OF ACOUSTICS CHINESE ACAD OF SCI

Treatment process of antibiotic pharmacy waste water

ActiveCN102583880BGood effectReduce antibiotic concentrationNature of treatment waterOn/in organic carrierActivated sludgeMicroorganism

Owner:GUANGZHOU EP ENVIROMENTAL ENG

injection molding machine

ActiveCN109228215BPrecise position controlControl positionControl engineeringProcess engineering

Owner:SHANGHAI SIGRINER STEP ELECTRIC

A management method, device and smart card for invoking transient objects

ActiveCN105279097BIncrease profitShorten the durationMemory adressing/allocation/relocationInitSmart card

Owner:SUMAVISION TECH CO LTD

Message processing method, access equipment and communication system

ActiveCN101741742BAvoid broadcastingSave bandwidthStore-and-forward switching systemsCommunications systemMessage processing

Owner:HUAWEI TECH CO LTD

Deformation stability monitoring system for the whole process of slope and dam construction period and initial impoundment period

ActiveCN105442520BMonitor deformation stabilityStable slopeIn situ soil foundationWater storageWireless transmission

Owner:CHINA INST OF WATER RESOURCES & HYDROPOWER RES

an intelligent driving system

ActiveCN112124319BImprove planning accuracyImprove securityControl devicesRoad vehicles traffic controlIn vehicleTransport engineering

Owner:QINGDAO VEHICLE INTELLIGENCE PIONEERS INC

A kind of quaternized amino acid Schiff base metal complex, preparation method and application

ActiveCN106631884BLow toxicityHigh activityOrganic compound preparationEther preparation from oxiranesEpoxySalicylaldehyde

Owner:厦门大邦瑞达印染材料股份有限公司

A kind of compound amino acid powder spraying system and the production method of amino acid powder

ActiveCN106496082BImprove qualityReduce wasteCombination devicesOrganic compound preparationCycloneSlurry

Owner:JINGMEN XINGUANG BIO ENG CO LTD

Use of gmfb as a biomarker for hepatocellular carcinoma

ActiveCN112195244BReduce the ability to invadeMicrobiological testing/measurementDisease diagnosisCancers diagnosisCancer research

Owner:TONGJI UNIV

A device for automatic classification and storage of test tubes after inspection

InactiveCN111250191BAccurate queryImprove search efficiencySortingTest tube stands/holdersPhysical medicine and rehabilitationTube placement

Owner:THE AFFILIATED HOSPITAL OF QINGDAO UNIV

A kind of preparation method of artificial marble

ActiveCN107619295BHigh densityAvoid enteringCeramicwareFreeze-dryingSlurry

Owner:广西万升石业有限公司

A kind of water-based drilling fluid lubricant and magnetic polyether used therein and preparation method thereof

ActiveCN110804169BStrong extreme pressure lubricationLong lasting extreme pressure lubricationDrilling compositionEpoxyMagnetite Nanoparticles

Owner:YANGTZE UNIVERSITY +1

car front sunshade structure

ActiveCN104842755BReduce gapGap occlusionAntiglare equipmentNatural stateEngineering

Owner:SHANGHAI DINGDA AUTOMOBILE ARTICLE CO LTD

A kind of preparation method of high niobium titanium alloy homogeneous casting ingot

ActiveCN110527843BEfficient manufacturingSmall fluctuationIngotTitanium alloy

Owner:西安赛特思迈钛业有限公司

A joint control method of voltage and power flow in active distribution network considering operation cost

ActiveCN105186498BThere will be no non-convergenceChange topologyAc network circuit arrangementsNear neighborLimit value

Owner:STATE GRID CORP OF CHINA +2

Transmission line structure capable of eliminating DDR3 (Double Data Rate 3) load difference influence as well as forming method and internal storage structure thereof

ActiveCN103035279BEliminate Skew DifferencesDigital storageDouble data rateEngineering

Owner:JIANGNAN INST OF COMPUTING TECH

Paper checking and processing system, paper processing device, paper sorting device, and paper checking and processing method

ActiveCN108475452BCoin countersProcess engineeringHandling system

Owner:HITACHI OMRON TERMINAL SOLUTIONS CORP

Single type tractor plough

InactiveCN101810068BSave energyReasonable designPloughsGuiding agricultural machinesDrive wheelSingle type

Owner:洪长林