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.

Novel visual intelligent feed device for constructional engineering

InactiveCN105752630AEnsure safetyFacilitate timely adjustment and rational use of equipmentMechanical conveyorsBuilding materialInertia

Owner:XIAN MEIYU INFORMATION TECH

Method, system and terminal for identifying identities of terminal users

InactiveCN102035929APrivacy protectionCharacter and pattern recognitionSubstation equipmentInternet privacySecurity level

Owner:BYD CO LTD

Geranium strictipes film agent

InactiveCN101632693ADrug content is accurateGood stabilityAntibacterial agentsDigestive systemDrug productGeranium strictipes

Owner:阳瑞鸿

High precision DLP laser rapidly prototyping 3D printer positioning system

PendingCN109532007AIncrease the support areaImprove stabilityAdditive manufacturing apparatus3D object support structuresSystem developmentEngineering

Owner:SUZHOU HUITONG PLASTIC

Portable demonstration device for legal consultation

InactiveCN113947976AEasy to disassembleEasy to snapTeaching apparatusEngineeringStructural engineering

Owner:山东中医药高等专科学校

Thick oil sewage treating agent as well as preparation method and application thereof

InactiveCN107285442AGood effectReduce dosageWater contaminantsWater/sewage treatment by substance additionChemistryUrea

Owner:GANZHOU YANSHUNFEI TECH CO LTD

Heating system applied to air conditioner

PendingCN107969035ALow costHigh-precision control of heating capacityElectric heatingHeating systemEngineering

Owner:广州市大弘自动化科技有限公司

Window curtain rolling from bottom to top

InactiveCN1987035ASimple structureEasy to operateLight protection screensEngineeringPulley

Owner:李志刚

Three-phase gas voltage transformer

InactiveCN103500636AReduce volumeLow costTransformersTransformers/inductances coils/windings/connectionsSingle phaseEngineering

Owner:BAODING TIANWEI TRANSFORMER CO LTD

High-end timed seeder

InactiveCN108770431AImprove efficiencySowing scienceRotary stirring mixersTransportation and packagingFertilizerAgricultural engineering

Owner:ZHEJIANG XIAYUAN INFORMATION TECH CO LTD

Microgyroscope driving and detecting device and method based on digitization embedded system

ActiveCN106370172AReduce mistakesReduce electrical noiseSpeed measurement using gyroscopic effectsGyroscopes/turn-sensitive devicesEmbedded systemDigitization

Owner:SHANGHAI JIAO TONG UNIV

Novel efficient oil-removing device

PendingCN108675399AGood non-stick oilWide range of useFatty/oily/floating substances removal devicesLiquid separation by electricityPolytetrafluoroethyleneResidual oil

Owner:LIAONING UNIVERSITY OF PETROLEUM AND CHEMICAL TECHNOLOGY

Mildew-proof agent special for leather

InactiveCN104878137AGood anti-mildew effectBactericidal broad spectrumBiocideFungicidesAmmonium sulfateBiotechnology

Owner:青岛百千川海洋生态科技有限公司

Traditional Chinese medicine composition for treating sequelae of cerebral apoplexy

InactiveCN110732003APromote neurological recoveryImprove limb motor functionCardiovascular disorderLeech/worm material medical ingredientsMedicinal herbsHoneysuckle

Owner:LUNAN PHARMA GROUP CORPORATION

Control method and device for air conditioner defrosting, and air conditioner

InactiveCN112050373AReduce false triggersSolar heating energyMechanical apparatusAutomotive engineeringFrost (temperature)

Owner:QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD +1

High-entropy boride nano-powder as well as preparation method and application thereof

PendingCN113666754ASmall particle sizeHigh purityMaterial nanotechnologyMetal boridesBorideAlcohol

Owner:SOUTH CHINA UNIV OF TECH

High-precision cutting equipment for processing of automobile spare parts

ActiveCN112692903AHigh precisionPracticalMetal working apparatusSpare partDrive shaft

Owner:宣城创玺铸造有限公司

Terminal and assembling method thereof

InactiveCN109495610AFlexibleFix damageDigital data processing detailsTelephone set constructionsEngineeringMechanical engineering

Owner:NUBIA TECHNOLOGY CO LTD

Alarming device and method based on physiological parameter and medical equipment

ActiveCN108201440AReduce frequent alarmsImprove effectivenessRespiratory organ evaluationSensorsBand countsStart time

Owner:EDAN INSTR

Method for preparing slowly digestible starch from polyphenol and biological enzyme compound modified lotus root starch

PendingCN113444755ADissolve fastImprove slow digestibilityFermentationEnzymeCitric acid

Owner:ZHEJIANG ACADEMY OF AGRICULTURE SCIENCES

Traditional Chinese medicinal composition for treating heart failure, and preparation method thereof

InactiveCN104208570ADefinite curative effectGood effectCardiovascular disorderPlant ingredientsLigusticum chuanxiongCodonopsis

Owner:严中明

Adherent tumor cell cryopreservation method and improved cryopreservation solution formula

InactiveCN108293981AEasy to operateShorten experimental operation timeDead animal preservationBiologyOperation time

Owner:GUIZHOU UNIV

Refrigerating and heating storage device

PendingCN113776250ALess power consumptionLarge capacityLighting and heating apparatusDomestic refrigeratorsPhysicsEvaporator

Owner:QINGDAO HAIER SPECIAL ICEBOX +1

Alvatrepap maleate tablet and preparation method thereof

PendingCN112022825ADetermination of curative effectStable qualityOrganic active ingredientsPharmaceutical non-active ingredientsCombinatorial chemistryIn vitro dissolution

Owner:REYOUNG PHARMA

Mounting structure of intelligent monitoring probe for high-end community security and protection

PendingCN113090920AImprove work efficiencyEnsure safetyStands/trestlesEmbedded systemElectric machinery

Owner:李铁权

A data processing method and apparatus

PendingCN109446488AShorten the lengthReduce data overheadNatural language data processingSpecial data processing applicationsDigital conversionData processing

Owner:深圳市华力特电气有限公司

Tea leaf packaging equipment

InactiveCN107352082ASimple structureEasy to operateWrapper twisting/gatheringSolid materialEngineeringTea leaf

Owner:ANHUI XINXUTANG TEA CO LTD

Phylum: Firmicits strain with anti-cancer activity and anti-cancer uses thereof

PendingCN113005061AGood anticancer activityLittle side effectsBacteriaBacteria material medical ingredientsAnti cancer drugsLaboratory culture

Owner:刘树林

Battery electrode sampling jig

InactiveCN101707244AEasy to useEasy to operateElectrode manufacturing processesWithdrawing sample devicesFixed frameEngineering

Owner:SHENZHEN OCEANSUN BATTERY

Oxidation treatment method for hard and brittle hard and brittle duralumin

InactiveCN104131323AGood oxidation effectImprove yieldAnodisationChemistryOxide

Owner:ANHUI CHENGYOU AUTO PARTS MFG

Changeable novel bed

PendingCN107822370ASmall footprintExquisite structureBedstandsConvertible furnitureElectric driveEngineering

Owner:黄家强

High-sealing-performance steel plate pile production line

PendingCN111151609AImprove performanceReduce construction costsShaping toolsSteel platesProcess engineering

Owner:江苏顺力冷弯型钢实业有限公司

Novel stirring cup device

InactiveCN107837009AReduce security risksAvoid Electric Shock AccidentsKitchen equipmentEngineeringElectrical connection

Owner:汪贤荣

Device for testing overall stability of insulating pull rod for high-voltage circuit breaker

ActiveCN111337245AEffective arc extinguishing reliabilityWide range of applicationsMachine part testingReciprocating motionControl theory

Owner:YUNNAN POWER GRID CO LTD ELECTRIC POWER RES INST

Exercise bike for all-around exercise of limbs

InactiveCN108635757AConvenient exerciseImprove workout efficiencyMovement coordination devicesMuscle exercising devicesPhysical exerciseEngineering

Owner:安徽上造智能设备科技有限公司

Three-stage evaporation system for recovering dicarboxylic acid from adipic acid waste liquid

InactiveCN112439216AHigh purityEvaporator accessoriesCarboxylic compound separation/purificationProcess engineeringAqueous solution

Owner:河南久圣化工有限公司

Evaluation method and evaluation system for regional earthquake early warning system

ActiveCN113053064AImprove the evaluation mechanismImprove early warning efficiencyAlarmsEarth quakeEnvironmental geology

Owner:INST OF GEOPHYSICS CHINA EARTHQUAKE ADMINISTRATION

Green Chinese onion planting method

InactiveCN106211962AIncrease productionPlant cultivationCultivating equipmentsFertilizerSeedling

Owner:南通中兴多元复合钢管有限公司

Unloading hopper of injection moulding machine

PendingCN111452294APrevent movementEasy to operateMaterial resourcesStructural engineering

Owner:陕西联塑科技实业有限公司

Damage prediction method and device for energy system, equipment and storage medium

PendingCN114529092APrediction is accurate and reliableTake full account of uncertaintyForecastingResourcesEngineeringAtmospheric sciences

Owner:STATE GRID ZHEJIANG ELECTRIC POWER

Dipping device for fishing net dirt removal

InactiveCN108043825ASimple structureReasonable designLiquid surface applicatorsCoatingsFishing netElectric heating

Owner:CHAOHU XIANGYU FISHING GEAR

Vehicle driving path identification device applied to expressway

InactiveCN111932713AEasy to disassembleSolve the deformationRegistering/indicating working of vehiclesEngineeringStructural engineering

Owner:广州凯月美容生物科技有限公司

Gantry type ground rail cable winding mechanism

InactiveCN103159079ACompact structureReasonable designFilament handlingEngineeringConductor Coil

Owner:THE NORTHWEST MACHINE

Breathing type explosion-proof box

PendingCN114144049ASpeed up heat exchangeHeat dissipation fastCooling/ventilation/heating modificationsPhysicsBreathing

Owner:ERGONG EXPLOSION PROOF TECH CO LTD

Depressurization evaporator and geothermal steam power generation device

PendingCN112324531ASufficient geothermal waterReduce pressureSteam useEngine componentsExpansion tankEvaporator

Owner:湖南达道新能源开发有限公司

Method and system for editing commodity and loading commodity onto goods shelf

InactiveCN107665457AImprove editing efficiencyReduce data redundancyBuying/selling/leasing transactionsControllabilityE-commerce

Owner:广州市万表科技股份有限公司

A HF, VHF and UHF signal scanning and detecting system based on a DDS

PendingCN107579786AMeet the needs of the counter marketSolving signal detection technologyTransmission monitoringHigh level techniquesPhysicsFrequency mixer

Owner:深圳市唐诚兴业科技有限公司

Flame-retardant compression-resistant cable

InactiveCN103854724ASimple structureGood performanceInsulated cablesInsulated conductorsEngineeringElectrical conductor

Owner:陈下放

Improved LED display device

InactiveCN108230920ASimple device structureEasy to useStands/trestlesIdentification meansLED displayDisplay device

Owner:卢松华

Transverse-moving fluctuating avoidance parking method and device

InactiveCN109610908ASimple and reasonable structure layoutLow costParkingsTerrainMoving frame

Owner:胡金祥

Tunnel tube type air-drying preservation box

InactiveCN108991094AAvoid spreading diseaseEasy to store in bulkFruits/vegetable preservation by dehydrationAirflowDisease

Owner:NINGBO TONGZHOU CULTURE MEDIA CO LTD

Flame-retardant paper and preparation method thereof

PendingCN111608013ASpecial paperPaper/cardboardPaper sheetPapermaking

Owner:TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI

Device for measuring short-circuit force of power transformer

PendingCN110926673ALow costImprove short-circuit accident capabilityTransformers testingApparatus for force/torque/work measurementMechanical engineeringTransformer windings

Owner:GUANGZHOU POWER SUPPLY BUREAU GUANGDONG POWER GRID CO LTD

Design evaluation method of spacecraft system-level anti-single particles

ActiveCN103605835ASpecial data processing applicationsAssessment methodsConstellation

Owner:SHANGHAI SATELLITE ENG INST

Service method, service device, application open platform and storage medium

PendingCN108876527ALower requirementImprove experienceNatural language data processingBuying/selling/leasing transactionsBusiness logicAnnotation

Owner:BEIJING JINGDONG SHANGKE INFORMATION TECH CO LTD +1

Electrolytic solution and lithium ion battery containing same

ActiveCN112271338AImprove fast charging abilityShorten fast charging timeSecondary cellsOrganic electrolytesVinylene carbonateLithium electrode

Owner:CHINA AVIATION LITHIUM BATTERY RES INST CO LTD +1

LED lamp wick

PendingCN108954035AImprove cooling effectHeat dissipation fastLighting heating/cooling arrangementsLight fasteningsEngineeringLED lamp

Owner:德清鼎辉照明有限公司

Noise reducing mechanism of inclined tongue assembly

InactiveCN104153647AReduce noiseCancel noiseBuilding locksPhysicsEngineering

Owner:GUANGDONG MINGMEN LOCKS IND

Method for processing and manufacturing simulated suture lines of slush-molding skin

InactiveCN111673956AConvenient designShort time consumptionAdditive manufacturing apparatusCoatingsProcess engineeringSuture line

Owner:模德模具(苏州工业园区)有限公司

Ultrasonic vibration ultra-thin slicing cutter holder

PendingCN107520905AImprove quality and surface smoothnessBroaden the field of applicationWithdrawing sample devicesMetal working apparatusEngineeringUltrasonic vibration

Owner:INSITUTE OF BIOPHYSICS CHINESE ACADEMY OF SCIENCES

Healthcare organic cereals

InactiveCN106262881AThe production process is simpleFull of nutritionFood scienceGanoderma lucidumBiology

Owner:MAANSHAN NIUZE TECH SERVICE

Classified site mining method and device and searching method and system

InactiveCN104537053AThe principle is simple and intuitiveOvercome cumbersome operationsWeb data indexingWebsite content managementData miningWeb page

Owner:BEIJING QIHOO TECH CO LTD +1

Flow processing method and device and computer readable medium

InactiveCN108932608AImprove user experienceImprove experienceOffice automationSpecial data processing applicationsTree basedDecision-making

Owner:CHINA CONSTRUCTION BANK

Head Mounted Display

ActiveCN107615134BOptical elementsEngineeringLight source

Owner:SHENZHEN ROYOLE TECH CO LTD

Hopper-shaped screen installation design method applied to large-span rigid roof cable dome structure

ActiveCN112523414AReduce construction errorsImprove construction qualityBuilding roofsArched structuresStructural systemElement analysis

Owner:ARCHITECTURAL DESIGN RES INST OF GUANGDONG PROVINCE

Nano-plasticized self-compacting anti-crack concrete

PendingCN112745092AGood liquidityStrong self-tightnessDefoaming AgentsWater reducer

Owner:江苏立浩建材科技有限公司

Semiconductor device desaturation state detection circuit

PendingCN113702796AReduce testing costsExpand the scope of applicationBipolar transistor testingComputational physicsPull-up resistor

Owner:SHENZHEN INOVANCE TECH

Diagnostic report display method and device, electronic equipment and storage medium

PendingCN113963773AGuaranteed monitoringImprove the effect of treatmentHealth-index calculationDrug and medicationsMedical emergencyPatient treatment

Owner:PINGAN INT SMART CITY TECH CO LTD

High-temperature rotary furnace with dual-layer sleeve structure

InactiveCN110779324AEven and fast heatingVibration reliefNon-rotating vibration suppressionRotary drum furnacesEngineeringRotary furnace

Owner:徐州曹氏化工机械制造有限公司

Electromagnetic hydraulic combined control valve

InactiveCN103277360ASave spaceReduce volumeServomotor componentsEngineeringControl valves

Owner:HEFEI AUTOMOBILE OIL PUMP

Device for adjusting temperature of cement production waste gas

PendingCN114485192AImprove cooling effectImprove separation efficiencyIncreasing energy efficiencyTrickle coolersProcess engineeringFlue gas

Owner:CHINA UNITED CEMENT LUNAN

Method and auxiliary equipment for automatic answering and intelligent conversation of mobile phone

PendingCN114598772ASubstation equipmentHigh level techniquesReal-time computingMobile phone

Owner:无锡铂华电子信息技术有限公司

Shale matrix reservoir pore space representation method

InactiveCN106127816AGood fitImprove fitImage enhancementImage analysisPore distributionShale gas

Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

Head shaking mechanism and electrical equipment with same

PendingCN111637084AReduce the number of partsReduce shakingPump componentsPump installationsStructural engineeringHead shaking

Owner:GREE ELECTRIC APPLIANCES INC

Compound kudzu vine root and radix angelicae health-care beverage capable of relieving exterior syndromes and preparation and processing method

InactiveCN106261358APromote gastric acid secretionRelieve neurastheniaFood scienceDandelionMotility

Owner:ZHEJIANG YUCHEN PHARMA CO LTD

Preparation method of insect-resistant and moisture-proof knitted fabric

InactiveCN108004763ASimple processEasy to operateFibre treatmentSodium hyaluronateIon

Owner:INTIME FASHION SUZHOU CO LTD

Cluster registration method and device

InactiveCN103037472AIncrease profitAssess restrictionNetwork topologiesData resourcesUtilization rate

Owner:ZTE CORP

Electronic device with multi-angle positioning bracket

InactiveCN102118928APicture framesCasings/cabinets/drawers detailsEngineering

Owner:HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1

Disposable anti-demoulding maxillary tray

PendingCN114052962ASolve common problems and strength problemsAvoid cross infectionImpression capsBiomedical engineeringCheek

Owner:PEKING UNIV SCHOOL OF STOMATOLOGY

Hard disk monitoring system and monitoring method

InactiveCN109062753AImprove reliabilityAvoid wastingInput/output to record carriersHardware monitoringException analysisMonitoring system

Owner:NEW H3C TECH CO LTD

Orange size packaging machine

InactiveCN108993851AAvoid the heavy workload of subpackagingSimple structureSievingScreeningPackaging machineEngineering

Owner:HEFEI OUYU AUTOMATION CO LTD

High-density board taking expanded vermiculite as base material and preparation method of high-density board

PendingCN112624722AGood processabilityGood anti-seepage performanceHigh densityWater repellent

Owner:LUYANG ENERGY SAVING MATERIALS CO LTD

Acquisition method for unmanned aerial vehicle battle information and unmanned aerial vehicle combat system

ActiveCN110442148AHigh degree of intelligenceImprove user experiencePosition/course control in three dimensionsReal-time computingComputer science

Owner:GOERTEK ROBTICS CO LTD

Preparation method and use of single, compound arsenic with bio-effect

InactiveCN1912158ASmall particle sizeNarrow distributionBiocideInorganic active ingredientsDrugChemistry

Owner:ZHEJIANG UNIV

Heat radiating device of white light LED of automobile head light

ActiveCN101392900AImprove cooling efficiencyImprove rib efficiencyPoint-like light sourceSemiconductor/solid-state device detailsHeat distributionHeat sink

Owner:CHANGZHOU XINGYU AUTOMOTIVE LIGHTING SYST

Lithium-sulphur battery electrolyte and chargeable lithium-sulphur battery thereof

InactiveCN1838469ASolve the dissolution lossImproved capacity characteristics and cycle lifeActive material electrodesLi-accumulatorsSolventSolubility

Owner:WUHAN UNIV

Method for purifying sea-mussel mucin by carboxymethyl ion exchange chromatography

ActiveCN101348518AHigh selectivityHigh yieldPeptide preparation methodsAnimals/human peptidesIon exchangeIon

Owner:JIANGYIN USUN BIOCHEMICAL TECH CO LTD

Conditional evidence theory-based scene identifiability analysis method

ActiveCN108647567AGood scene recognition effectCharacter and pattern recognitionMutual supportTheory based

Owner:中国人民解放军61540部队

Tree obstacle distance measuring method and device of power transmission line integrated sensor and computer equipment

ActiveCN114264263AMeasurement devicesComputer equipmentEngineering

Owner:CHINA SOUTHERN POWER GRID DIGITAL GRID RES INST CO LTD

Device and method for measuring center bias of fish-bellied submerged arc weld of center sill of flatcar

ActiveCN104406506AImprove measurement accuracyThe calculation formula is simple and easy to operateMechanical measuring arrangementsSubmerged arc weldingKnife handles

Owner:CRRC QIQIHAR ROLLING CO LTD

Test method and client

ActiveCN106407099ASoftware testing/debuggingData switching networksClient-sideSimulated data

Owner:ALIBABA GRP HLDG LTD

Cooking processing method, cooking equipment, user terminal and storage device

ActiveCN112006520ARealize intelligent reminderImprove experienceCooking vesselsProcess engineeringIndustrial engineering

Owner:GUANGDONG MIDEA KITCHEN APPLIANCES MFG CO LTD +1

Tube connecting device capable of carrying out fixing and sealing simultaneously

ActiveCN103672228ASimple structureLow costJoints with sealing surfacesGasketScrew thread

Owner:徐州戴卡斯町科技有限公司

Sludge drying device for detecting water quality

ActiveCN108036997ASimple structureEasy to usePreparing sample for investigationFixed frameWater quality

Owner:金华华远检测技术股份有限公司

Transparent mobile screen

ActiveCN103258483AIlluminated signsIdentification meansEngineeringLight source

Owner:苏州和氏设计营造股份有限公司

Device, method, and graphical user interface for providing and interacting with notifications

ActiveCN107637055AImprove satisfactionFast wayUnauthorised/fraudulent call preventionMessaging/mailboxes/announcementsGraphical user interfaceEngineering

Owner:APPLE INC

Telephoto lens and camera device

ActiveCN106646829AOptical elementsCamera lensPhysics

Owner:ZHEJIANG SUNNY OPTICAL CO LTD

Shell assembly and mobile terminal

ActiveCN105120023AAvoid breaking glueTight bond fitCasings/cabinets/drawers detailsTelephone set constructionsEngineeringSurface plate

Owner:GUANGDONG OPPO MOBILE TELECOMM CORP LTD

Methanoic acid dehydrogenation catalyst and application thereof

ActiveCN109126871ALigand structure is simpleEasy to synthesizeHydrogenOrganic-compounds/hydrides/coordination-complexes catalystsFormic acidRh element

Owner:DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI

Method for screening nearest neighbor by using potential neighbor relation graph in recommendation system

ActiveCN106354886ASmall scaleGuaranteed high efficiencyRelational databasesSpecial data processing applicationsNeighbor relationNear neighbor

Owner:NANJING UNIV OF POSTS & TELECOMM

Reconfigurable substrate integrated waveguide bandpass filter and reconfigurable method of filter

ActiveCN105870553AReconfigurableSimple methodWaveguide type devicesSplit-ring resonatorVoltage source

Owner:XIDIAN UNIV +1

Active temperature field regulating and controlling system for manufacturing high-energy beam reinforced material and control method for active temperature field regulating and controlling system

ActiveCN105499569AShorten heat treatment cycleEnergy savingAdditive manufacturing apparatusIncreasing energy efficiencyHeating systemHolding time

Owner:HUAZHONG UNIV OF SCI & TECH

Mongline digital range radar and communication method

ActiveCN102759725ASimple structureLow costRadio wave reradiation/reflectionTime durationRadar

Owner:CHERY AUTOMOBILE CO LTD

Image processing apparatus and computer program product

ActiveCN101098379APictoral communicationComputer programImaging data

Owner:BROTHER KOGYO KK

Prokaryotic secretion expression carrier and application thereof

ActiveCN1908175AImprove expression efficiencyProduct highVector-based foreign material introductionWater solubleSecretion expression

Owner:SUN YAT SEN UNIV

Aircraft airspace judgment method and device, electronic equipment and medium

ActiveCN113325879AReduce computationConducive to timelinessPosition/course control in three dimensionsFlight vehicleReal-time computing

Owner:CHINA ACAD OF AEROSPACE AERODYNAMICS

Method and device for extracting virus feature code

InactiveCN101685483AImprove extraction efficiencyPlatform integrity maintainanceFeature codeClassification result

Owner:HUAWEI DIGITAL TECH (CHENGDU) CO LTD +1

Information processing apparatus, image reading apparatus, code image generation apparatus, and code image generation method

ActiveCN106911874AReduce the amount of informationWithout reducing the amount of informationOffice automationRecord carriers used with machinesComputer graphics (images)Information processing

Owner:FUJIFILM BUSINESS INNOVATION CORP

A large-diameter column implantation method suitable for the treatment of goafs with thick and hard roofs or limestone caves

ActiveCN113047873BReduce material usageLow costUnderground chambersFlushingRebarKarst

Owner:CHINA UNIV OF GEOSCIENCES (BEIJING)