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.

Method for preparing anti-reflection and anti-fog coating based on layer-by-layer assembly technology

InactiveCN101788693BEasy to makeFast preparationCoatingsOptical elementsWide areaEyeglass lenses

Owner:JILIN UNIV

A traditional Chinese medicine composition for reducing uric acid and preparation method thereof

ActiveCN111920924BGood reduction effectEasy to prepareSkeletal disorderFungi medical ingredientsMedicinal herbsSide effect

Owner:深圳市宝安区中医院

Fast forming micro manufacturing method for non homogeneous functional device

InactiveCN1254355CMeet special functionsMeet wear resistanceCoatingsDevice formMetallic materials

Owner:NORTHWESTERN POLYTECHNICAL UNIV

A method for automatically hiding mobile phone app icons

ActiveCN109151158BEasy to set upHigh speedUnauthorised/fraudulent call preventionDevices with fuctional cameraEngineeringWorld Wide Web

Owner:科之光电子科技(信丰)有限公司

Quantitative calculation method and system for underwater acoustic radiation of complex composite shell structures

InactiveCN104573260BEasy to operateEasy to implementSpecial data processing applicationsSystem dynamics modelAcoustic property

Owner:WUHAN UNIV OF TECH

Method and device for determining formation pressure

ActiveCN104267429BHigh precisionHigh-resolutionSeismic signal processingLongitudinal waveDepth of field

Owner:PETROCHINA CO LTD

Continuous handwriting input method and system with editable handwriting sequence

ActiveCN104063176BImprove writing experienceImprove input efficiencyCharacter and pattern recognitionInput/output processes for data processingHandwritingUser input

Owner:HARBIN INST OF TECH SHENZHEN GRADUATE SCHOOL

Discrimination method of big data complex features of ancient lacquerware paint film

ActiveCN110286139BRaman scatteringColor/spectral properties measurementsMicroscopic imageLacquerware

Owner:WUHAN INSTITUTE OF TECHNOLOGY

Improved antimicrobial peptides

InactiveCN101448851BReduce the risk of allergic reactionsImprove stabilityAntibacterial agentsConnective tissue peptidesAnti microbial peptideAntimicrobial peptides

Owner:PERGAMUM AB

Information collection method and system in agricultural field

ActiveCN105302012BParsing fastFast parsing processingProgramme controlComputer controlSensing dataCollection methods

Owner:湖北省科技信息研究院

An image-based material detection method and device

ActiveCN110487796BLow costEasy to carryInvestigating moving fluids/granular solidsImaging processingComputer graphics (images)

Owner:SHANGHAI DAMENG DATABASE +1

Method and system for demultiplexing TS (transport stream) transport stream by set top box

ActiveCN102970598BReduce manufacturing costLow costSelective content distributionData packEngineering

Owner:四川九洲投资控股集团有限公司

Heating device and refrigerator equipped with heating device

ActiveCN112912677AEasy to thawImprove reliabilityLighting and heating apparatusDomestic refrigeratorsMechanical engineeringMaterials science

Owner:PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD

Preparation method of carbon molecular sieve adsorbent with anti-static performance

InactiveCN102631887BLow costReduce pollutionOther chemical processesSorbentPolymer

Owner:ANHUI UNIV OF SCI & TECH

Three-dimensional culture system and culture method of Porphyra zebra shell filaments

InactiveCN104365468BImprove reliabilityShort training periodCultivating equipmentsSeaweed cultivationWater storage tankPorphyra

Owner:INST OF OCEANOLOGY & MARINE FISHERIES JIANGSU

Preparation method of zinc oxide varistor ceramic composite powder

ActiveCN101792307BImprove stabilityImprove featuresCeramic sinteringCeramic composite

Owner:SHANGHAI INST OF CERAMIC CHEM & TECH CHINESE ACAD OF SCI

Color conversion film material, color conversion film, and display device

InactiveCN111849461AImprove thermal stabilityImprove color gamutNon-macromolecular adhesive additivesLight guides with fluorescent dopantsGamutPhysical chemistry

Owner:TCL CHINA STAR OPTOELECTRONICS TECH CO LTD

Conversion protocol loading method, related equipment, system and medium

ActiveCN109327507BEasy to operateData switching by path configurationHome applianceComputers technology

Owner:SHENZHEN H&T DATA RESOURCES & CLOUD TECH LTD

System and method for using a hypervisor to control access to a rental computer

InactiveCN101295338APlatform integrity maintainanceBuying/selling/leasing transactionsOperational systemComputerized system

Owner:LENOVO (SINGAPORE) PTE LTD

Centrifugal model retaining wall test device

InactiveCN101526440BThe displacement is slow and uniform and continuousThe displacement pattern is slow and uniformly continuousStructural/machines measurementAutomatic controlData acquisition

Owner:TSINGHUA UNIV

A device for generating hand-feeling wood grain on the surface of profiles

ActiveCN106000806BImprove woodinessStrong wood feelingPretreated surfacesCoatingsAgricultural engineeringUltimate tensile strength

Owner:浙江富丽华铝业有限公司

Hanging scaffold structure for four-wheeled motorcycle engine

InactiveCN100443323CEasy to installReduce assembly accuracyJet propulsion mountingInternal combustion mountingGasket

Owner:LONCIN MOTOR

Synthesis method of interface micro-pore sequence structure LSX (low-silica X-zeolite) molecular sieve for spatially dividing oxygen-enriched adsorbent

InactiveCN103055805BPlay the role of "soft template"Diffusion is fastOther chemical processesDispersed particle separationLithiumMolecular sieve

Owner:QINGDAO UNIV

A large dynamic micro current detection circuit

ActiveCN107703351BImplement auto releaseSmall currentCurrent/voltage measurementCapacitanceHemt circuits

Owner:成都兴睿宝电子科技有限公司

A kind of nitrogen-doped graphene and its preparation method and application

ActiveCN107151009BImprove conductivityHigh nitrogen doping contentCatalyst carriersHybrid capacitor electrodesRechargeable cellNitrogen

Owner:SHANGHAI INST OF CERAMIC CHEM & TECH CHINESE ACAD OF SCI

Preparation method of 5'-nucleotide

ActiveCN101921296BShort reaction cycleHigh yieldSugar derivativesSugar derivatives preparationOrganic solventPhosphorylation

Owner:STAR LAKE BIOSCI CO INC ZHAOQING GUANGDONG

Mems three-dimensional co-vibration vector hydrophone based on piezoresistive effect

ActiveCN107246910BMiniaturizationReasonable designSubsonic/sonic/ultrasonic wave measurementUsing electrical meansElectrical resistance and conductanceHydrophone

Owner:ZHONGBEI UNIV

A high frequency electrodeless lamp

InactiveCN102737953BHigh light efficiencyInorganic material magnetismLuminescent coatings applicationFluorescenceNickel-zinc ferrite

Owner:高永生

A kind of composite leaf spring with hollow structure

ActiveCN112161012BImprove general performanceReduce development costsGeometric CADLeaf springsUltimate tensile strengthLeaf spring

Owner:东风汽车底盘系统有限公司

A kind of preparation method for 2-hexenal adsorption color development film

ActiveCN112798581BNon-toxic and harmlessGood oil resistanceMaterial analysis by observing effect on chemical indicatorChemical industryWater methanol

Owner:FUZHOU UNIV

Clutch control system and mechanical road roller with same

InactiveCN102352895BAct as a current limiterReduce labor intensityClutchesRoads maintainenceElectricityClutch control

Owner:SANY HEAVY IND CO LTD (CN)

Structure, method and substrate for packaging touch-slide type thin type fingerprint identifier

ActiveCN101378046BSolve the cumbersome processThe overall thickness is thinSemiconductor/solid-state device detailsSolid-state devicesEngineeringProtection layer

Owner:CHIPBOND TECH

A real-time verification device and method for patient positioning in radiotherapy

ActiveCN106880906BHigh precisionReduced Risk of ComplicationsX-ray/gamma-ray/particle-irradiation therapyReal time validationGraphics workstation

Owner:INST OF MODERN PHYSICS CHINESE ACADEMY OF SCI

a snowball machine gun

InactiveCN104174173BLong rangeReduce manpower consumptionToysManufactured apparatusCam

Owner:QINGDAO UNIV

Special feed additive for young shrimps

ActiveCN103315185BEnhanced inhibitory effectImprove the immunityFood processingAnimal feeding stuffCassiaVitamin C

Owner:南通市通州区十总晨友农产品有限公司

A kind of water-based nail polish based on polydopamine-coated water-based polyurethane dispersion

ActiveCN112294695BIncrease profitHigh hardnessCosmetic preparationsToilet preparationsPolyurethane dispersionPolymer science

Owner:WANHUA CHEM GRP CO LTD

handle assembly

InactiveCN106567614BImprove gripStrong magnetic forceWing handlesWing knobsEngineeringMagnet

Owner:安徽中晟展示设计制作有限公司

Manufacturing method of steel-rolling cooling bed roller-oriented support platform

InactiveCN101579787BSimple processMeet actual processing needsWelding/cutting auxillary devicesAuxillary welding devicesMachiningWelding deformation

Owner:TIANJIN SERI MACHINERY EQUIP

Jasmine fragrance Dendrobium officinale granules and preparation method thereof

ActiveCN104223079BHigh nutritional valueRich varietyFood shapingNatural extract food ingredientsNutritive valuesBitter gourd

Owner:安徽皖斛堂生物科技有限公司

Waste heat recovery system for free piston expander-linear generator vehicle based on composite power supply

ActiveCN109611170BGuaranteed uptimeAdjust working status in real timeReciprocating combination enginesCombination enginesHigh energyElectric generator

Owner:BEIJING INFORMATION SCI & TECH UNIV

Lock

ActiveCN106245995BWing handlesWing knobsEngineeringLock screen

Owner:GEZE GMBH

Display mounting techniques

ActiveCN103108520APLC for automation/industrial process controlCasings with display/control unitsSubject matterDisplay device

Owner:ROCKWELL AUTOMATION TECH

Melt sheet for drift correction of X-ray fluorescence spectrometer and its preparation method and application

ActiveCN106769335BGuaranteed accuracyImprove stabilityMaterial analysis using wave/particle radiationPreparing sample for investigationMass ratioElectrical battery

Owner:HEFEI GUOXUAN HIGH TECH POWER ENERGY

Preparation of multi-channel biosensor array based on paper chip and its application in immunoassay

ActiveCN109061190BAccurate detectionReduce non-specific adsorptionBiological testingMaterial electrochemical variablesDiseaseEngineering

Owner:苏州微湃医疗科技有限公司

A kind of separation and culture method of Dendrobium officinale suspension cells

ActiveCN110317773BAddress resource shortagesEnabling Large-Scale Cell CultureCell dissociation methodsCulture processBiotechnologyCell activity

Owner:江苏赛清科技有限公司 +1

Mud snail vermicelli and production method thereof

InactiveCN103494054BPromote absorptionDeliciousNatural extract food ingredientsFood ingredient functionsImmunocompetenceAdditive ingredient

Owner:付芬芬

UAV target positioning indication system and indication method

ActiveCN108955722BImprove combat capabilityNavigation instrumentsTime informationUncrewed vehicle

Owner:BEIJING HEXIE NAVIGATION TECH CO LTD

A method and system for pavement disease identification and management decision-making based on Internet big data

ActiveCN106844527BWide applicabilityImprove recognition accuracyDatabase queryingData miningInformatizationUser input

Owner:WUHAN UNIV OF TECH

Reciprocating extrusion device and processing method for reinforced magnesium alloy tube

InactiveCN103894436BFine grainUniform tissueExtrusion diesCylinder moldNonferrous metal

Owner:TAIYUAN UNIV OF TECH

Display panel and display device

ActiveCN110429111BReduce reflectionReduce glareSolid-state devicesSemiconductor/solid-state device manufacturingDisplay contrastMaterials science

Owner:KUNSHAN NEW FLAT PANEL DISPLAY TECH CENT +1

Car transport container support frame

ActiveCN103922049BWon't moveNot to be scratchedPackaging vehiclesContainers for machinesBlock matchCushion

Owner:盐城腾鸿金属制品有限公司

Water blowing systems for painting lines

ActiveCN114653558BPretreated surfacesCoatingsProcess engineeringAssembly line

Owner:SUZHOU LIUSH MACHINERY EQUIP

A method and system for vehicle safety remote control and diagnosis

ActiveCN106713264BPrevent access to the systemGuarantee information securityKey distribution for secure communicationUser identity/authority verificationRemote controlInformation security

Owner:ZHENGZHOU XINDA JIEAN INFORMATION TECH

A kind of farmland drainage ditch automatic flap type water quality percolation purifier

ActiveCN108178336BImprove removal efficiencyAvoid wastingWater/sewage treatment by irradiationBiological water/sewage treatmentWater qualitySewage

Owner:HOHAI UNIV

A self-adaptive robot finger device with wheel rotation and space travel linear flat clamp

ActiveCN109605414BAccurate transmissionSmooth transmissionProgramme-controlled manipulatorGripping headsLinear motionRobot hand

Owner:ANHUI UNIVERSITY OF TECHNOLOGY

A toilet water inlet valve automatic closing structure

InactiveCN105155638BGood adhesionEasy to installFlushing devicesInlet valveStructural engineering

Owner:赫林集团公司

Cutter mechanism with double cutting function

ActiveCN103924436BAvoid accumulationSevering textilesHeating effectEngineering

Owner:CHANGZHOU WUJIN GUANGYU EMBOSSING ROLLER MACHINERY

Preparation of a natural feather-supported Pd catalyst and its application in the synthesis of pyrimidines

InactiveCN105879923BEasy to makeThe carrier is cheapOrganic chemistryOrganic-compounds/hydrides/coordination-complexes catalystsAlcoholAqueous solution

Owner:NORTHWEST UNIVERSITY FOR NATIONALITIES

A kind of two-way high-adhesion water-based exterior wall primer coating and preparation method thereof

ActiveCN111675942BGood adhesionIncrease interlayer forceEmulsion paintsPriming paintsCellulosePorous substrate

Owner:SKSHU PAINT

Cooling water pump provided with symmetrical semicircular inclined-plane water suction chambers

InactiveCN105298914AEliminate impact wearExtended service lifePump componentsPumpsImpellerBall bearing

Owner:湖北飞剑泵业股份有限公司

Apparatus and method for manufacturing silicon substrate, and silicon substrate

InactiveCN101616868AClean surface propertiesFlat and smooth surface texturePolycrystalline material growthSiliconGaseous atmosphereReactive material

Owner:小岛弦 +1

A service opening method, device and hss server

ActiveCN105635934BSolve cumbersome proceduresAchieve the effect of automatic opening of businessWireless commuication servicesNetwork data managementEngineeringUser equipment

Owner:ZTE CORP

Battery Charging Kits for Motor Vehicles

InactiveCN102887118BVehicle componentsFlexible lead accommodationMobile vehicleBattery charge

Owner:FORD GLOBAL TECH LLC

Ground source heat pump system for high-rise buildings based on cooling towers and solar energy

ActiveCN105135573BGood effectSimple structureLighting and heating apparatusClimate change adaptationCooling towerGeothermal heat pump

Owner:JIANGSU TIEXIN ENERGY TECH CO LTD

Bearing steel GCr15 production technology capable of preventing plugging of continuous casting water gap

ActiveCN103103443BAvoid secondary oxidationImprove cleanlinessManufacturing convertersAlkalinitySlag

Owner:TIANJIN IRON & STEEL GRP

A kind of pH-responsive polymer micelles for mucus penetration and preparation method thereof

InactiveCN105153428BImprove permeabilityGood biocompatibilityPharmaceutical non-active ingredientsEmulsion deliveryBiocompatibility TestingCell membrane

Owner:TIANJIN UNIV

A kind of heat aging resistant polypropylene composite material and preparation method thereof

ActiveCN111171455BImprove heat aging resistanceImprove dispersionElastomerPolymer science

Owner:GUANGDONG ALDEX NEW MATERIAL CO LTD

A method for sorting limestone chips using a fluidized bed

ActiveCN104550026BImprove screening efficiencyImprove screening accuracyGas current separationStandard stateFluidized bed

Owner:河北福昊机械制造有限公司

Liquid crystal display

InactiveCN1392965AIncrease opening ratioSuppress flickerNon-linear opticsCapacitanceLiquid-crystal display

Owner:GK BRIDGE 1

User classification method and device, electronic device, storage medium

ActiveCN107357874BDigital data information retrievalSpecial data processing applicationsClassification methodsEngineering

Owner:BEIJING JINGDONG SHANGKE INFORMATION TECH CO LTD +1

Manufacturing method for circuit board and circuit board thereof

ActiveCN113498266AMany degrees of freedomLithography/patterningPrinted circuit aspectsEngineeringDielectric layer

Owner:UNIMICRON TECH CORP

Multifunctional zinc-based organic-inorganic hybrid material, its preparation method and application

InactiveCN106188107BIncrease the areaHigh porosityGas treatmentOther chemical processesCrystal systemMaterials science

Owner:ZHENGZHOU UNIVERSITY OF LIGHT INDUSTRY

Split bearing cage

ActiveCN104912940BAvoid damageAvoid replacementBearing componentsEngineeringMechanical engineering

Owner:浙江昕兴科技有限公司

A processing method and device for a linkage loop of a smart home system

ActiveCN109782613BAvoid iterating overImprove search efficiencyComputer controlTotal factory controlComputer scienceOperating system

Owner:QINGDAO HISENSE SMART HOME SYST CO LTD

Method for washing machine for reducing vibration

InactiveCN100334288CMeet the mechanical performance requirementsSatisfy vibration damping characteristicsNon-rotating vibration suppressionOther washing machinesEngineeringMechanical engineering

Owner:LG ELECTRONICS INC

Device, system and method for rapid determination of medical disease

ActiveCN105424665BImprove bindingReduced autofluorescenceBiological testingFluorescence/phosphorescenceIntegratorPre treatment

Owner:LEUKODX

A steel pipe filling and cutting equipment

ActiveCN107263109BEasy to operateGuaranteed not to deformOther manufacturing equipments/toolsEngineeringUltimate tensile strength

Owner:湖北国通领驭建设集团有限公司

Display substrate, manufacturing method thereof, display panel, and display device

ActiveCN108878468BImprove yield rateImprove the display effectSolid-state devicesSemiconductor devicesDisplay deviceMaterials science

Owner:BOE TECH GRP CO LTD

Refined treatment method of site anti-liquefaction design based on finn model

ActiveCN105040632BImprove reliabilityFine basic dataHydraulic modelsPore water pressureReduction factor

Owner:CEEC JIANGSU ELECTRIC POWER DESIGN INST CO LTD

A kind of one-component high-iron polyurethane waterproof coating and its production process

ActiveCN103555182BEasy to useExtended use timePolyurea/polyurethane coatingsPigmentTolylene Diisocyanate

Owner:WEIFANG HONGYUAN WATERPROOF MATERIAL

An optical differential polarization shift key control system and its signal transmission device and method

ActiveCN101170363BSuppress waveform distortionLow costWavelength-division multiplex systemsFibre transmissionSoftware engineeringCarrier signal

Owner:ZTE CORP

Laser driving method and laser driving circuit in an optical module

ActiveCN104682191BExtended service lifeNormal communicationLaser detailsSemiconductor lasersEffective solutionElectricity

Owner:JIANGSU ALLRAY

A car door c-pillar split seam sealing strip structure

ActiveCN111016815BImprove sealingReduce risk of prolapseEngine sealsVehicle sealing arrangementsEngineeringCar door

Owner:NINGBO GEELY AUTOMOBILE RES & DEV CO LTD +1

An Elastic Imaging Method Based on Empirical Manifold

ActiveCN110946618BRobustImprove computing efficiencyOrgan movement/changes detectionInfrasonic diagnosticsAlgorithmImage resolution

Owner:SOUTH CHINA UNIV OF TECH

A Low Training Overhead Channel Estimation Method for Hybrid Large-Scale MIMO-OFDM Systems

ActiveCN113242193BLow rankReduce training overheadChannel estimationMulti-frequency code systemsAlgorithmCarrier signal

Owner:SOUTHEAST UNIV

A kind of flame-retardant ABS composition and preparation method thereof

ActiveCN111763401BHigh Glow Wire PerformanceFix poor performance bugsFire retardantFluorine

Owner:KINGFA SCI & TECH CO LTD +1

Intelligent environment-friendly constant-pressure medium-temperature fast rubber plasticizing unit

InactiveCN103408790BSolve the sticky spiral problemGood workmanshipChemical industryPlastic recyclingIntelligent environmentHeating oil

Owner:武时家

Ward attending method and system based on intelligent air conditioner

ActiveCN103017292BAddress adverse effectsConvenient care managementSpace heating and ventilation safety systemsLighting and heating apparatusRemote controlTerminal equipment

Owner:SICHUAN CHANGHONG ELECTRIC CO LTD

Human ubiquitin-conjugating enzyme UbcH10 monoclonal antibody hybrid tumor DY03 and monoclonal antibody

InactiveCN102234631BTissue cultureFermentationMicroorganismImmunofluorescence

Owner:SOUTHERN MEDICAL UNIVERSITY

Feeder and feeding device

ActiveCN104784053BGum massageGymnastic exercisingEngineeringDesign objective

Owner:DONGGUAN KIDSME IND LTD

A main engine of an oil-injected sliding vane air compressor

ActiveCN105134593BMaximize the suction pathCross-sectional area maximizationRotary piston pumpsRotary piston liquid enginesEngineeringAir compressor

Owner:NANJING SHANGAIR MACHINERY MFG

Device and method for collecting good products of integrated circuit chip testing taping machine

ActiveCN110125050BFacilitate orderly collectionTo meet the needs of rapid productionSortingDevice materialEngineering

Owner:FUZHOU PALIDE ELECTRONICS TECH

Statistical process analyse system and statistical process analyse method performed by computer

ActiveCN100399321CQuick controlEffective controlData processing applicationsBuilding locksData miningAnalysis method

Owner:TAIWAN SEMICON MFG CO LTD

LCD panel module

ActiveCN100421002CNo warping or deformationReduce defects caused by contactPolarising elementsNon-linear opticsFistLiquid-crystal display

Owner:AU OPTRONICS CORP

Audio Segmentation Based on Spatial Metadata

ActiveCN106463125BSpeech analysisStereophonic systemsAudio segmentationComputer vision

Owner:DOLBY LAB LICENSING CORP

A kind of kelly splash-proof joint

ActiveCN105156040BExtend working lifeSimple structureDrilling rodsFlushingWell drillingCheck valve

Owner:BC P INC CHINA NAT PETROLEUM CORP +1

Quick-frozen fresh-keeping heated-type instant noodles with bone soup and preparation method thereof

InactiveCN102669557BRich in nutrientsFill the gap in the marketFood preparationMonosodium glutamateQuick Freeze

Owner:王万隆

Anti-snake oil pressure shock absorber with variable damping, rail train and its design method

ActiveCN108518443BLarge damping forceSmall running resistanceSpringsLiquid based dampersEngineeringPiston rod

Owner:HUNAN LIANCHENG TRACK EQUIP CO LTD

Quinoxaline unit-containing fluorene copolymer, and preparation method and application thereof

InactiveCN102276799BImprove stabilityLower bandgapLaser active region structureSolid-state devicesQuinoxalineSolubility

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

Connector and electronic device having the same

InactiveCN103001059ACouplings bases/casesTransmissionMechanical engineeringEngineering

Owner:HOSIDEN CORP

Method for trace analysis and analyzer therefor

InactiveCN100458438CEfficient analysisComponent separationSample MeasureMixed gas

Owner:RESONAC HOLDINGS CORPORATION

Assembly method of double-deck convertible bus with detachable roof

ActiveCN104443064BIncrease profitSuperstructure subunitsPassenger vehicle superstructuresEngineeringUtilization rate

Owner:ANHUI ANKAI AUTOMOBILE

A uniaxial tensile measuring device

ActiveCN110763554BEnsure safetyGuaranteed uniaxial force stateMaterial strength using tensile/compressive forcesStructural engineeringMechanical engineering

Owner:DONGGUAN UNIV OF TECH

A kind of block copolymer and preparation method thereof

ActiveCN102532507BShort reaction cycleReduce manufacturing costFinal product manufactureCell component detailsOligomerChain structure

Owner:ENN SCI & TECH DEV

Single-pole cutoff unit comprising a rotary contact bridge, cutoff device comprising such a unit, and circuit breaker comprising such a device

ActiveCN102612723ACircuit-breaking switches for excess currentsProtective switch operating/release mechanismsEngineeringRadial surface

Owner:SCHNEIDER ELECTRIC IND SAS