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.

Electronic transformer accurate spot welding device

InactiveCN112171113ARealize spot welding processingImprove processing efficiencyWelding/cutting auxillary devicesAuxillary welding devicesElectric machineTransformer

Owner:ANHUI HEHAN OPTOELECTRONICS TECH

Horizontal type bidirectional flexible hydraulic blank pressing machine

InactiveCN103894606AWith low temperature heating functionUniform pressureLiquid mediumBrute force

Owner:四平市天阔换热设备有限公司

Threaded sleeve provided with locking keys

InactiveCN106989094AFacilitates circumferential fixationAchieve circumferential fixationPinsNutsEngineeringMechanical engineering

Owner:GUIZHOU HANGTAI PRECISION MFG

Multistage synchronous yarn twisting equipment

InactiveCN113122973ATextiles and paperYarnGear wheel

Owner:海宁绿点轻纺股份有限公司

Device and method for transient record analysis and fault precise positioning

InactiveCN107703419AOvercome false startsMonitoring stabilityFault location by conductor typesTransient stateTransient analysis

Owner:YUNNAN POWER GRID

Crystallization purification method of 3,5-di-tert-butyl-4-hydroxybenzoic acid

InactiveCN108084011AReduce chromaLow ashOrganic compound preparationCarboxylic compound separation/purificationMagmaSlow cooling

Owner:GANSU RES INSTION OF CHEM IND GRICI +1

Plane bending cross-shaped broadband dual-polarization butterfly-shaped vibrator

PendingCN110034372AIncreased half-power beamwidthSmall sizeParticular array feeding systemsAntenna supports/mountingsPhased array feedBroadband

Owner:NAT ASTRONOMICAL OBSERVATORIES CHINESE ACAD OF SCI

Adjustable curette

PendingCN113081152ABig angleReduce retentionSurgeryMedical equipmentCurette

Owner:WUXI NO 9 PEOPLES HOSPITAL

Single-layer woodworking hot press for heat balance processing

PendingCN111975892AQuality improvementSmall temperature differencePlywood pressesVeneer pressesThermodynamicsHeat balance

Owner:段浩

Sub-band self-adaptive GLRT-LTD detection method under sea clutter background

ActiveCN104569948AAccurate detection verdictEasy to detectWave based measurement systemsDecompositionRadar

Owner:XIDIAN UNIV

Test paper strip for rapidly detecting swine streptococcicosis type 2 colloidal gold

InactiveCN101363854ASave manpower and material resourcesThe result is clear and easy to distinguishMaterial analysisPolyclonal antibodiesMicrobiology

Owner:BEIJING ZHUANGDI HAOHE BIOMEDICINE SCI & TECH

Community type intelligent health monitoring system for elder

InactiveCN107085816AEasy to loseRealize tracking and monitoringData processing applicationsCommunity typeMonitoring system

Owner:成都智慧家信息技术有限公司

Dampproof hydrogen sulfide stress corrosion steel and preparing method thereof

InactiveCN1594633ALow costGood stress corrosion performanceChemical compositionDie casting

Owner:SHANGHAI IRON & STEEL CO LTD NO 5 BAOSHAN IRON & STEEL GRP

Container used for conveying blood-collection tube and intelligent blood-collection platform containing same

PendingCN107731290AAvoid mistakesReduce labor costsConveyorsBlood sampling devicesBlood samplingSurgery

Owner:BEIJING SHITAER TECH

Method of checking access rights in a mobile radio system

InactiveCN1662094AOptimize the access rights check processRadio/inductive link selection arrangementsTransmissionMobile radioType of service

Owner:ALCATEL LUCENT SAS

Intelligent substation test simulation method

PendingCN111046543AIncrease productivityImprove understandingData processing applicationsCircuit arrangementsSmart substationVisual comparison

Owner:GUIZHOU POWER GRID CO LTD

Plant type air purifier

InactiveCN106334204AImprove immunityPromote decompositionDeodrantsGLYCYRRHIZA EXTRACTBiology

Owner:苏州华泰空气过滤器有限公司

Cross-border e-commerce order management method and order cloud management system based on cloud data analysis

InactiveCN113379513AImproved order managementImplement consolidated order managementBuying/selling/leasing transactionsLogisticsLogistics managementCloud data

Owner:武汉承梦电子商务有限公司

Lithographic apparatus and device manufacturing method

ActiveCN100526987CSemiconductor/solid-state device manufacturingPhotomechanical exposure apparatusEngineeringPressure difference

Owner:ASML NETHERLANDS BV +1

Smart parking lock with vehicle recognition function

InactiveCN108221756ASave time on manual unlockingTraffic restrictionsParkingsEmbedded systemParking lot

Owner:浙江云行天下网络科技有限公司

Suspension type curtain wall

InactiveCN102359211AImprove installation efficiencyImproved connection strengthWallsKeelFastener

Owner:HUNAN GOLDWELL NEW MATERIALS TECH CO LTD

Toothbrush with replaceable bristles

InactiveCN107647587ASolve the problem of inconvenient forceDrop does not spawnBristleBristleCleaned teeth

Owner:王东

Gate oxide trap characterization method based on noise of weak inversion region of MOSFETs (Metal Oxide Semiconductor Field Effect Transistor)

PendingCN114545180AImprove performanceExpanding the range of energy characterizationIndividual semiconductor device testingMOSFETCapacitance

Owner:XIDIAN UNIV

Additive manufacturing using thermotropic liquid crystalline polymer

ActiveCN112292253AManufacturing heating elementsAdditive manufacturing with liquidsLiquid crystallineMolten state

Owner:ETH ZZURICH

Implementation method, system and device for allocating target forward address of user device

InactiveCN101106811AEnsure normal communicationImprove satisfactionRadio/inductive link selection arrangementsTransmissionUser deviceProxy server

Owner:HUAWEI TECH CO LTD

Seat steering bicycle

InactiveCN104139821ASteering deviceCycle saddlesFront-wheel driveInternal forces

Owner:刘爱诗

Universal water-based aluminum profile stoving varnish and preparation method thereof

PendingCN110922824ALow VOC contentImprove the level ofAnti-corrosive paintsWeather resistanceSaline mist

Owner:温州环诺新材料科技有限公司

Three-station operating mechanism

PendingCN114678230ASimple structureContact driving mechanismsAir-break switch detailsControl engineeringSlide plate

Owner:JIANGXI TUOWANG ELECTRIC

Method for judging oxidative deterioration risk grade of tobacco essence based on scale

PendingCN110189004AAcceptable reliabilityReduce incidenceTobacco treatmentResourcesRisk levelMedicine

Owner:CHINA TOBACCO YUNNAN IND

Linear iron core-closed power reactor

InactiveCN101783230AReduce eddy currentReduce vibrationTransformers/inductances detailsInductances/transformers/magnets manufactureIron powderNon magnetic

Owner:HUNAN UNIV

Execution method and device of nested loop test scripts

InactiveCN105786705ALower runWill not affect the big cycle processSoftware testing/debuggingCyclic testTest script

Owner:PHICOMM (SHANGHAI) CO LTD

Tubular dynamic membrane reactor for biological catalytic oxidation

InactiveCN1789166ASolve pollutionAchieve separationTreatment using aerobic processesSustainable biological treatmentReflux valveCatalytic oxidation

Owner:BEIJING HUIHENG ENVIRONMENTAL PROTECTION ENG CO LTD

Anti-wind inflatable slide

ActiveCN110743172AEffective compositionAchieve connectionHelter-skeltersMarine engineeringWindbreak

Owner:TAIZHOU UNIV

Double-acting multi-stage hydraulic cylinder with built-in telescopic oil pipe

PendingCN113007175ASolve the disadvantages of scratch damageSolve the disadvantages of drilling holes as shrink tubingFluid-pressure actuatorsHydraulic cylinderMechanical equipment

Owner:梁新宇

Detection device of electrical automation equipment

InactiveCN112344976AReduce frequency of adjustmentEfficient work is goodMeasurement apparatus componentsWork holdersStructural engineeringAutomation

Owner:赵爽

Excavator repairing method

InactiveCN109898592ASoil-shifting machines/dredgersExcavatorRepair method

Owner:江苏曜曜机械科技有限公司

Aircraft data transmission modules

InactiveCN104038393APower distribution line transmissionWireless systems/telephoneTelecommunications linkCommunication link

Owner:THE BOEING CO

Method for recording data, terminal and computer-readable storage medium

InactiveCN107910024AAvoid missingImprove work efficiencyRecord information storageSubstation equipmentTerminal equipmentComputer terminal

Owner:SHENZHEN GIONEE COMM EQUIP

Wire rod for ultrahigh-conductivity steel wire and production technology thereof

InactiveCN108359890AReduce manufacturing costMetal/alloy conductorsWire rodMetallurgy

Owner:ANGANG STEEL CO LTD

Information propagation device for nursery stock

InactiveCN106205431AQuick publicityEasy to useAudible advertisingInformation propagationEngineering

Owner:镇江市润州花木园艺协会

Apparatus and method for smelting magnesite with low power consumption

PendingCN109851241AReduce power consumptionReduce usage timeElectric arc furnaceDecomposition

Owner:ANSHAN ZHENGDA FURNACE CHARGE

Water cup assembly and nail manicure machine using same

PendingCN111387677AManicure/pedicureLiquid spraying apparatusEngineeringStructural engineering

Owner:江门市索尼娅医疗器械有限公司

Method for displaying multiple overlay icons on Windows

PendingCN112783590AOvercome the defects that cannot be displayed at the same timeExecution for user interfacesInput/output processes for data processingThumbnailEngineering

Owner:北京亿赛通科技发展有限责任公司

Middle domain name-based system and method for achieving automatic discovery of network equipment

InactiveCN104683162AImplement auto-discoveryReduce manual addition workData switching networksDomain nameIp address

Owner:FUZHOU UNIV

Tuned matching unit of square wave pulse output

PendingCN108631755ASimple structureLow costElectric pulse generatorLogic circuitsCapacitanceSquare waveform

Owner:SHENYANG RAILWAY SIGNAL

Formula of glue for composite boards

InactiveCN109825228AExtended service lifeUse healthMacromolecular adhesive additivesAldehyde/ketone condensation polymer adhesivesAdhesion forcePolymer science

Owner:江苏卓尔新建材科技有限公司

Oxygen-deficient carbonization, harmless treatment and resource utilization process for biopharmaceutical residues

PendingCN111495924AFully burnt and decomposedBurn fullyGas treatmentTransportation and packagingCombustion chamberCarbonization

Owner:ZHANGZHOU WEISHUI SOLID WASTE DISPOSAL CO LTD

Alarm system for preventing lamp from falling

PendingCN114495442AWith intelligent monitoring functionSolve the problem of loosening and falling offElectrical apparatusLighting support devicesComputer hardwareEngineering

Owner:GUANGDONG UNILUMIN ENERGY SAVINGS TECH

Clothes obstinate stain treating device and washing machine

ActiveCN106400370AEasy to cleanSolve the problem of difficult to completely clean stains on clothingBrushing washing machinesOther washing machinesEngineeringStain

Owner:QINGDAO HAIER TECH

Capecitabine intermediate

ActiveCN111377988AHigh yieldHigh puritySugar derivativesOrganic chemistry methodsPtru catalystRibose

Owner:LUNAN PHARMA GROUP CORPORATION

Air conditioner

ActiveCN104896582AReduce thicknessLarge air volumeDucting arrangementsLighting and heating apparatusImpellerEngineering

Owner:GREE ELECTRIC APPLIANCES INC

Metallic rolling or bearing component

PendingCN111102295AMolten spray coatingShaftsMetal coatingRolling-element bearing

Owner:AB SKF

Preparation method of 4-aminophenylacetic acid medicine intermediate

InactiveCN106380413ALow costLess side effectsCarboxylic acid nitrile preparationOrganic compound preparationIce waterFiltration

Owner:枣阳市福星化工有限公司

Dental operation mouth mirror

InactiveCN108903900AEasy to viewConvenient lightingEndoscopesSomatoscopeArchitectural engineeringSurgery procedure

Owner:DONGGUAN LIANZHOU INTPROP OPERATION MANAGEMENT CO LTD

Javelin training device

InactiveCN106039676AEasy to replaceEasy to change clothesSport apparatusEngineeringSmall footprint

Owner:陆保云

Film-mulching fertilizer applicator

InactiveCN106472190AReduce labor intensityShorten the timeFertiliser distributersPlant protective coveringsAgricultural engineeringFertilizer

Owner:黄红光

Method and device for managing batch migration of virtual machines

InactiveCN107301088AEfficient migrationMigrate in bulkProgram initiation/switchingSoftware simulation/interpretation/emulationSequence processingProcessing priority

Owner:ZHENGZHOU YUNHAI INFORMATION TECH CO LTD

Method for detecting intragranular segregation degree of 7-series aluminum alloy

PendingCN114674857AQuickly grasp the degree of segregationMaterial analysis using wave/particle radiationMaterials scienceEnergy spectrum

Owner:SHANGHAI JIAO TONG UNIV +1

Leakless water tank

InactiveCN1740466AReduce in quantityReduce damage rateFlushing devicesBottom waterWaste management

Owner:XIANGMING MIDDLE SCHOOL SHANGHAI

Bus control system of plant growing lamp

InactiveCN103957645AEasy to operateOptimize technical systemElectric light circuit arrangementControl signalControl system

Owner:TIANJIN POLYTECHNIC UNIV

Sand blasting cleaning equipment for inner wall and outer wall of steel pipe and cleaning method

PendingCN109048687AIncrease productivityClean up thoroughlyAbrasive machine appurtenancesSand blastingArchitectural engineering

Owner:高密天一机械科技有限公司

Raw material agitator for producing car tires

InactiveCN108058278AImprove the mixing effectFacilitate subsequent processingEngineeringMixing effect

Owner:HEFEI DONGLU MACHINERY MFG

Double-layer transmission pin shaft chain

InactiveCN101571178ASimple structureEasy to manufactureConveyorsHauling chainsChain systemToughness

Owner:ZHEJIANG UNIV

Robot arm with controllable damping and control system thereof

PendingCN114683286AEasy to adjustContinuous reversible adjustmentProgramme-controlled manipulatorControl systemClassical mechanics

Owner:SHANGHAI INST OF TECH +3

Regulating tank for rural domestic sewage treatment and use method thereof

InactiveCN113104907AReduce the number of stoppagesGood effectWater treatment parameter controlSpecific water treatment objectivesSludgeSewage

Owner:浙江司邦齐环境科技有限公司

Cycloxaprid and isoprocarb pesticide composition and preparation method thereof

InactiveCN103155933ALow costNot easy to develop resistanceBiocideAnimal repellantsPharmaceutical drugVermin

Owner:SHANGHAI SHENGNONG PESTICIDE +1

Curing and forming die for preparing foamed ceramic according to protein foaming method and preparation method of curing and forming die

ActiveCN102765126AGood molding effectOvercoming the problem of rapid water lossCeramic shaping apparatusCeramicwarePROTEIN S HEERLENSlurry

Owner:NAT UNIV OF DEFENSE TECH

Environment-friendly bridge construction equipment

ActiveCN112663465AReduce wasteReduce lossRoad cleaningBridge erection/assemblyEnvironmental engineeringRoad surface

Owner:广东国大建工集团有限公司

Aqueous fluorocarbon resin paint

InactiveCN106046969ANo pollution in the processLow cost to manufacture and useCoatingsDiethylene glycol monobutyl etherHardness

Owner:许汉池

Feeding device for heating torsion bar of steering wheel of snow blower

InactiveCN103615898AEasy to disassembleEasy to replaceCharge manipulationLeft halfSnow blower

Owner:CHONGQING BISHAN AIHUA

Modified bagasse strengthening PBAT/starch complete biodegradation composite material and preparing method and application thereof

InactiveCN106433044AReduce polarityGood compatibilityPolytetramethylene terephthalatePlastic mulch

Owner:SOUTH CHINA UNIV OF TECH

Three-phase separation device, metering system and metering method

ActiveCN113491884ALiquid separation auxillary apparatusLiquid degasificationControl engineeringDrainage tubes

Owner:CHINA PETROLEUM & CHEM CORP +1

Luggage processing technology and product

InactiveCN110141027AEnsure structural stabilityGuaranteed stabilityLuggageOther accessoriesRivet

Owner:瑞安市卡瑞奇箱包配件有限公司

Multi-nutrition bread

InactiveCN105076299ARich in celluloseRich in proteinDough treatmentBakery productsCorn flourSugar

Owner:江苏绿科生物技术有限公司

Automatic marking method of traffic lights and computer equipment

ActiveCN112735253ALabeling is faster and more accurateMaps/plans/chartsPoint cloudEngineering

Owner:SHENZHEN ANTU AUTONOMOUS DRIVING TECH LTD

Tunnel anti-rebound buffer guardrail

InactiveCN108894154AAvoid damageReduce impactRoadway safety arrangementsHydraulic cylinderFixed frame

Owner:王紫潭

Brain endoscopic surgery auxiliary system

PendingCN113017549ALaproscopesDiagnostic recording/measuringEndoscopic operationsAnatomical structures

Owner:AFFILIATED HUSN HOSPITAL OF FUDAN UNIV

Cutting-off tool

InactiveCN107398949AHas a bactericidal effectReduce transmissionMetal working apparatusHeatScrew capComputer engineering

Owner:苏州鼎隆精密机械制造有限公司

Formula of thermoplastic elastomer

InactiveCN104371249ALow priceImprove yieldEpoxyThermoplastic elastomer

Owner:苏州新区枫盛塑料制品厂

Flexible transmission diesel coupling

PendingCN108533627ASimple structureEasy to assemble, disassemble and maintainYielding couplingCouplingEngineering

Owner:AMOS FLUID TECH CO LTD

Manufacture method of tender mulberry leaves

InactiveCN107981268AGreat tasteEasy to storeFood scienceFlavorTwig

Owner:西充青禾桑业科技有限公司

Application method of AI voice function in distribution automation master station

PendingCN113140213ASave human effortSave moneyNatural language analysisSemantic analysisNatural languageMicrophone

Owner:SHANGHAI MUNICIPAL ELECTRIC POWER CO

Work fixture device

InactiveCN101745823AQuick clampingMilling equipment detailsPositioning apparatusMechanical engineeringEngineering

Owner:毛丹红

Image recognition method and device, pedestrian re-recognition method and device, electronic device and storage device

ActiveCN110909565AEnhance expressive abilityImprove accuracyInternal combustion piston enginesCharacter and pattern recognitionPattern recognitionRadiology

Owner:ALIBABA GRP HLDG LTD

Front cover assembly and vehicle

PendingCN113928420AAvoid repeated opening and closingReduce volumeSuperstructure subunitsStowing appliancesStructural engineeringFront cover

Owner:ZEEKR AUTOMOBILE (NINGBO HANGZHOU BAY NEW ZONE) CO LTD +1

Pet food storage device convenient to use

ActiveCN106429042AEasy to useEasy to storePowdered material dispensingContainers preventing decayCouplingElectric machinery

Owner:无锡市友盟投资管理有限公司

Reverse flushing self-cleaning continuous filter

PendingCN107599350AImprove effective working timeImprove filtration efficiencyDrive shaftEngineering

Owner:ZHEJIANG JINGCHENG MOLD MASCH CO LTD

Dam maintenance ladder

ActiveCN112943081AReduce the chance of being submerged in waterExtended service lifeLaddersEngineeringStructural engineering

Owner:浙江华铖建设有限公司

Camellia oleifera cutting seedling transplanting seedling-raising substrate

InactiveCN106105874AMeet growth needsPromote growthGrowth substratesCulture mediaCamellia oleiferaPotassium

Owner:张琦

Excessive phase control method and vehicle equipment

ActiveCN103754135AAvoid lossImprove reliabilityPower supply linesEngineeringPhase control

Owner:CRRC TANGSHAN CO LTD

B column structure reinforcing part

PendingCN113581295AReduce weightSimplify local sheet metal structuresSuperstructure subunitsEngineeringColumn structure

Owner:TIANJIN GUOXIN RUBBER & PLASTIC

Advertisement acquisition method and device and storage medium

PendingCN111309951AEasy accessEfficient acquisitionDigital data information retrievalSpecial data processing applicationsFeature dataData science

Owner:BEIJING DAJIA INTERNET INFORMATION TECH CO LTD

Centering mechanism

PendingCN114393426ASmall footprintSimple drive structureWork clamping meansMetal working apparatusEngineeringHorizontal orientation

Owner:深圳市克洛诺斯科技有限公司

Sintering machine cooling circulation exhaust gas residual heat utilization system

ActiveCN101042281AExtended service lifeIncrease profitIncreasing energy efficiencyWaste heat treatmentThermal forceExhaust fumes

Owner:鞍山绿冶热能工程技术有限公司

Fire-resistant inflaming retarding high-voltage cable

InactiveCN102637478AOxygen barrier protectionImprove insulation performancePower cables with screens/conductive layersCable/conductor manufactureEngineering physicsElectric cables

Owner:WUXI CITY HENG HUI CABLE

Anti-skid retaining wall for side slope

PendingCN113737819AFix security issuesSolve the service lifeDamsArtificial islandsBrickWater flow

Owner:广州市地质调查院

Feeding and discharging production line for pull handle numerical control machining

PendingCN111318915AIncrease productivityMetal working apparatusNumerical controlProduction line

Owner:广东顺德马元机器人科技有限公司

Multi-purpose shoe

InactiveCN101637322ASimple structureEasy to useFootwearEngineeringLight-emitting diode

Owner:安博智

Method for synthesizing acetic acid by methanol, carbon dioxide and hydrogen gas

ActiveCN107008502AReliable theoretical basisOrganic compound preparationOrganic-compounds/hydrides/coordination-complexes catalystsIodideSolvent

Owner:INST OF CHEM CHINESE ACAD OF SCI

Pseudosciaena crocea processing equipment

InactiveCN113170813AHigh degree of automationImprove functionalityFish washing/descalingFeeding-stuffAnimal scienceEngineering

Owner:福建大昌盛饲料有限公司

Fluorescent detection electrostatic spraying equipment

InactiveCN103084292AFull sprayImprove the performance of fluorescence detectionSpraying apparatusOptically investigating flaws/contaminationFluorescenceStructural engineering

Owner:WUJIANG HYPERD NDT MATERIAL

Indoor wall environment-friendly coating construction equipment and using method thereof

InactiveCN113530160AImprove practicalitySaves the hassle of replacing paint rollersBuilding constructionsConstruction engineeringStructural engineering

Owner:百合盛华建筑科技有限公司

Constant volume bomb system simulating engine spray combustion

InactiveCN106198027ASimple structureInternal-combustion engine testingCombustionSprayer

Owner:GUANGXI UNIV

Stretchable electric tricycle frame with stable structure

PendingCN110641590ASmall turning radiusPrevent rolloverPassenger cyclesSteering deviceRolloverVehicle frame

Owner:徐州江河科技发展有限公司

Dryer barrel body and manufacturing technology thereof

ActiveCN108204736AImprove structural strengthImprove stabilitySeed preservation by dryingDrying chambers/containersManufacturing technologySheet steel

Owner:XINGGUANG AGRI MACHINERY

Preparation method of iron phosphate and lithium iron phosphate

InactiveCN111634898AIncrease compaction densityImprove discharge capacityCell electrodesSecondary cellsPhosphatePhysical chemistry

Owner:HUNAN YACHENG NEW MATERIAL CO LTD

Fertilizer application method in planting period of strawberries in greenhouse

InactiveCN107371526AImprove qualityIncrease profitFertilising methodsPlant cultivationFragariaGreenhouse

Owner:杨兆权

Data secret transmission method and system based on cloud platform

ActiveCN111865895ARealize confidential transmissionUser identity/authority verificationThird partyEngineering

Owner:GUANGXI DOCTOR HAIYI INFORMATION TECH

Transmission support and sliding device

PendingCN114770188AReduced deflection variationReduce frictionFeeding apparatusLarge fixed membersClassical mechanicsEngineering

Owner:BEIJING SEMICORE PRECISION MICROELECTRONICS EQUIP CO LTD

Infectious disease protection device for medical care

InactiveCN111956842AAvoid scratchesEnsure safetyLavatory sanitoryCleaning using liquidsDisinfectantNursing care

Owner:崔莉

Compressor testing method and system

PendingCN113048044AMeet higher requirements on product quality controlImprove accuracyPump testingPositive-displacement liquid enginesTest efficiencyControl engineering

Owner:湖南贝特新能源科技有限公司

Novel connecting rod plunger piston mechanism of press machine

InactiveCN102632635ASolve the deformationDamage fastPressesEngineeringAlloy

Owner:赵亚州

Closed type medium-flow high-pressure three-dimensional flow impeller for powder and coal discharge fan of ironmaking plant

InactiveCN114738318AReasonable designGood load distribution on the blade surfacePump componentsPumpsImpellerEngineering

Owner:河北众邦节能科技服务有限公司