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GB standards are the China national standards; Prefix code GB are Mandatory standards, GB/T are Recommended standards; All products or service must be compliance with GB standards; If you want to export products or services to huge Chinese market, need ensure they are meet the requirements of GB china national standards;  We provide Chinese GB standards and English version GB standards  Lookup, Translate, Download, Imported Commodity GB standards Testing and Compliance review services.
  •  China "LT" GB Standards List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 40523.2-2021 Ships and marine technology—Measurement of changes in hull and propeller performance—Part 2: DefauLT method
    船舶与海上技术 船体和螺旋桨性能变化测量 第2部分:默认方法
    China National Standards
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    GB/T 40384-2021 Plastics—Determination of the transient extensional viscosity of polymer meLTs
    塑料 聚合物熔体瞬态拉伸黏度的测定
    China National Standards
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    GB/T 40418-2021 Electronic speciaLTy gas—Fluoromethane
    电子特气 氟甲烷
    China National Standards
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    GB/T 40417-2021 Electronic speciaLTy gas—1,3-Hexafluorobutadiene
    电子特气 六氟丁二烯
    China National Standards
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    GB/T 40415-2021 Determination of light transmittance for the photovoLTaic glass module used in building
    建筑用光伏玻璃组件透光率测试方法
    China National Standards
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    GB/T 40410-2021 Metallic materials—MuLTiaxial fatigue testing—Axial-torsional strain-controlled method
    金属材料 多轴疲劳试验 轴向-扭转应变控制方法
    China National Standards
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    GB/T 40404-2021 Slag material—Measurement of meLTing temperature—High temperature metallographic method
    渣类材料 熔化温度的测定 高温金相法
    China National Standards
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    GB/T 40353-2021 Air fiLTer paper
    空气过滤纸
    China National Standards
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    GB/T 40340-2021 Composites and metal assemblies—Galvanic corrosion tests of carbon fibre reinforced plastics (CFRPs) related bonded or fastened structures in artificial atmospheres—SaLT spray tests
    复合材料与金属组合件 碳纤维增强聚合物基复合材料胶接或紧固件连接结构人工环境下的电偶腐蚀试验 盐雾试验
    China National Standards
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    GB/T 40320-2021 Measuring method for mechanical meLTing temperature of aluminum alloy
    铝合金力学熔点测试方法
    China National Standards
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    GB/T 40311-2021 Vanadium slag—Determination of muLTi-element contents—Wavelength dispersive X-ray fluorescence spectrometry(fused cast bead method)
    钒渣 多元素的测定 波长色散X射线荧光光谱法(熔铸玻璃片法)
    China National Standards
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    GB/T 26745-2021 BasaLT fiber composites for civil engineering structures
    土木工程结构用玄武岩纤维复合材料
    China National Standards
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    GB/T 15596-2021 Plastics—Determination of changes in colour and variations in properties after exposure to glass-fiLTered solar radiation, natural weathering or laboratory radiation sources
    塑料 在玻璃过滤后太阳辐射、自然气候或实验室辐射源暴露后颜色和性能变化的测定
    China National Standards
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    GB/T 10836-2021 Shipboard muLTifunctional incinerators
    船用多功能焚烧炉
    China National Standards
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    GB/T 10715-2021 BeLT drives—V-ribbed belts, joined V-belts and V-belts including wide section belts and hexagonal belts—Electrical conductivity of antistatic belts: Characteristics and methods of test
    带传动 多楔带、联组V带及包括宽V带、六角带在内的单根V带 抗静电带的导电性:要求和试验方法
    China National Standards
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    GB/T 10125-2021 Corrosion tests in artificial atmospheres—SaLT spray tests
    人造气氛腐蚀试验 盐雾试验
    China National Standards
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    GB/T 1425-2021 Determination of meLTing temperature range for precious metals and their alloys—Testing method of thermal analysis
    贵金属及其合金熔化温度范围的测定 热分析试验方法
    China National Standards
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    GB/T 40379-2021 MuLTifunctional air-handling unit for residential and similar application
    户用和类似用途组合式空气处理机组
    China National Standards
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    GB/T 20081.3-2021 Pneumatic fluid power—Compressed air pressure regulators and fiLTer-regulators—Part 3:Alternative test methods for measuring the flow-rate characteristics of pressure regulators
    气动 减压阀和过滤减压阀 第3部分:测试减压阀流量特性的可选方法
    China National Standards
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    GB/T 20081.2-2021 Pneumatic fluid power—Compressed air pressure regulators and fiLTer-regulators—Part 2: Test methods to determine the main characteristics to be included in literature from suppliers
    气动 减压阀和过滤减压阀 第 2 部分:评定商务文件中应包含的主要特性的试验方法
    China National Standards
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    GB/T 20081.1-2021 Pneumatic fluid power—Compressed air pressure regulators and fiLTer-regulators—Part 1:Main characteristics to be included in literature from suppliers and product-marking requirements
    气动 减压阀和过滤减压阀 第1部分:商务文件中应包含的主要特性和产品标识要求
    China National Standards
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    GB/T 40483-2021 Index of credit evaluation for digital cuLTural business
    数字文化企业信用评价指标
    China National Standards
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    GB 9706.216-2021 Medical electrical equipment—Part 2-16: Particular requirements for the basic safety and essential performance of haemodialysis, haemodiafiLTration and haemofiltration equipment
    医用电气设备 第2-16部分:血液透析、血液透析滤过和血液滤过设备的基本安全和基本性能专用要求
    China National Standards
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    GB/T 40332-2021 Non-destructive testing—ULTrasonic testing—Characterization and verification of ultrasonic thickness measuring equipment
    无损检测 超声检测 超声测厚仪性能特征和测试方法
    China National Standards
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    GB/T 40324-2021 Non-destructive testing—Testing method for large diameter round bars by focused uLTrasound
    无损检测 大直径圆棒聚焦超声检测方法
    China National Standards
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    GB/T 40289-2021 Technical requirement of power control system for photovoLTaic power station
    光伏发电站功率控制系统技术要求
    China National Standards
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    GB/T 40275-2021 Textiles—Quantitative analysis of bicomponent fiber—MeLTing microscopy method
    纺织品 双组分复合纤维定量分析方法 熔融显微镜法
    China National Standards
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    GB/T 40188-2021 Technical code of breeding practice with molecular marker assisted selection for livestock and pouLTry
    畜禽分子标记辅助育种技术规程
    China National Standards
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    GB/T 40184-2021 Technical code of breeding practice with genomic selection for livestock and pouLTry
    畜禽基因组选择育种技术规程
    China National Standards
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    GB/T 40224-2021 Plastics boxes used for rainwater infiLTration,attenuation and storage
    雨水渗透、调蓄、储存用塑料模块
    China National Standards
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    GB/T 40120-2021 AgricuLTural irrigation equipment—Thermoplastic collapsible hoses for irrigation—Specifications and test methods
    农业灌溉设备 灌溉用热塑性可折叠软管 技术规范和试验方法
    China National Standards
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    GB/T 40101-2021 ULTrasonic testing method for stainless steel bars,plates and forgings of PWR nuclear fuel assembly and associated assembly
    压水堆核燃料组件和相关组件用不锈钢棒、板、锻件超声波检测方法
    China National Standards
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    GB/T 39974-2021 Magnesium partially stabilized zirconia ceramic element for oxygen measurement in moLTen steel
    钢水测氧用镁稳定氧化锆陶瓷元件
    China National Standards
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    GB/T 39515.2-2021 AgricuLTural and forestry machinery-Environmental requirements for sprayers-Part 2:Horizontal boom sprayers
    农林机械 喷雾机的环境要求 第2部分:水平喷杆式喷雾机
    China National Standards
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    GB/T 38329.2-2021 Utility connections in port - Part 2: High and low voLTage shore connection systems - Data communication for monitoring and control
    港口船岸连接 第2部分:高压和低压岸电连接系统 监测和控制的数据传输
    China National Standards
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    GB/T 37162.3-2021 Hydraulic fluid power-Monitoring the level of particulate contamination of the fluid-Part 3:Use of the fiLTer blockage technique
    液压传动 液体颗粒污染度的监测 第3部分:利用滤膜阻塞技术
    China National Standards
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    GB/T 28775-2021 Synchronous beLT drives - Pulley with T trapezoidal profile system
    同步带传动 T型梯形齿同步带轮
    China National Standards
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    GB/T 28774-2021 Synchronous beLT drives—Belts with T trapezoidal profile system
    同步带传动 T型梯形齿同步带
    China National Standards
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    GB/T 24619-2021 Synchronous beLT drives - Curvilinear profile systems G, H, R and S belts and pulleys
    同步带传动 G、H、R、S齿型曲线齿同步带与带轮
    China National Standards
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    GB/T 23902-2021 Non-destructive testing - ULTrasonic testing - Time-of-flight diffraction technique as a method for detection and sizing of discontinuities
    无损检测 超声检测 超声衍射声时技术检测和评价方法
    China National Standards
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    GB/Z 17624.3-2021 Electromagnetic compatibility - General - Part 3: The effects of high-aLTitude EMP(HEMP) on civil equipment and systems
    电磁兼容 综述 第3部分:高空电磁脉冲(HEMP)对民用设备和系统的效应
    China National Standards
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    GB/T 14146-2021 Test method for carrier concentration of silicon epitaxial layers - Capacitance-voLTage method
    硅外延层载流子浓度的测试 电容-电压法
    China National Standards
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    GB/T 11362-2021 Synchronous beLT drives—Calculation of power rating and drive center distance with belts pitch codes MXL,XXL,XL,L,H,XH and XXH
    同步带传动 节距型号MXL,XXL,XL,L,H,XH和XXH梯形齿同步带额定功率和传动中心距计算
    China National Standards
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    GB/T 11344-2021 Non-destructive testing—ULTrasonic thickness measurement
    无损检测 超声测厚
    China National Standards
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    GB/T 8243.12-2021 Methods of test for full-flow lubricating oil fiLTers for internal combustion engines—Part 12: Filtration efficiency using particle counting and contaminant retention capacity
    内燃机全流式机油滤清器试验方法 第12部分:颗粒计数法滤清效率和容灰量
    China National Standards
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    GB/T 4787.1-2021 Grading capacitors for high-voLTage alternating current circuit-breakers—Part 1:General
    高压交流断路器用均压电容器 第1部分:总则
    China National Standards
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    GB/T 2423.18-2021 Environmental testing—Part 2: Test methods—Test Kb:SaLT mist, cyclic(sodium chloride solution)
    环境试验 第2部分:试验方法 试验Kb:盐雾,交变(氯化钠溶液)
    China National Standards
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    GB/T 21227-2021 AC loss measurements—Magnetometer methods for hysteresis loss in superconducting muLTifilamentary composites
    交流损耗测量 多丝复合超导材料磁滞损耗的磁强计测量法
    China National Standards
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    GB/T 19216.3-2021 Circuit integrity test for electric cables or optical fiber cables under fire conditions—Part 3:Test method for fire with shock at a temperature of at least 830℃ for cables of rated voLTage up to and including 0.6/1 kV tested in a metal enclosure
    在火焰条件下电缆或光缆的线路完整性试验 第3部分:火焰温度不低于830 ℃的供火并施加冲击振动,额定电压0.6/1 kV及以下电缆穿在金属管中进行的试验方法
    China National Standards
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    GB/T 19216.2-2021 Circuit integrity test for electric cables or optical fiber cables under fire conditions - Part 2: Test method for fire with shock at a temperature of at least 830 ℃ for cables of rated voLTage up to and including 0.6/1 kV and with an overall diameter not
    在火焰条件下电缆或光缆的线路完整性试验 第2部分:火焰温度不低于830 ℃的供火并施加冲击振动,额定电压0.6/1 kV及以下外径不超过20 mm电缆的试验方法
    China National Standards
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    GB/T 19216.1-2021 Circuit integrity test for electric cables or optical fiber cables under fire conditions-Part 1:Test method for fire with shock at atemperature of at least 830 ℃ for cables of rated voLTage up to and including 0.6/ 1 kV and with an overall diameter exceed
    在火焰条件下电缆或光缆的线路完整性试验 第1部分:火焰温度不低于830 ℃的供火并施加冲击振动,额定电压0.6/1 kV及以下外径超过20 mm电缆的试验方法
    China National Standards
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    GB/T 18216.5-2021 Electrical safety in low voLTage distribution systems up to 1 000 V a.c, and 1500 V d.c.-Equipment for testing,measuring or monitoring of protective measures-Part 5:Resistance to earth
    交流1000V和直流1500V及以下低压配电系统电气安全 防护措施的试验、测量或监控设备 第5部分:对地电阻
    China National Standards
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    GB/T 18216.4-2021 Electrical safety in low voLTage distribution systems up to 1 000 V a. c and 1 500 V d. c - Equipment for testing, measuring or monitoring of protective measures - Part 4: Resistance of earth connection and equipotential bonding
    交流1000V和直流1500V及以下低压配电系统电气安全 防护措施的试验、测量或监控设备 第4部分:接地电阻和等电位接地电阻
    China National Standards
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    GB/T 18216.3-2021 Electrical safety in low voLTage distribution systems up to 1 000 V a. c. and 1 500 V d. c. - Equipment for testing, measuring or monitoring of protective measures - Part 3: Loop impedance
    交流1000V和直流1500V及以下低压配电系统电气安全 防护措施的试验、测量或监控设备 第3部分:环路阻抗
    China National Standards
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    GB/T 18216.2-2021 Electrical safety in low voLTage distribution systems up to 1 000 V a. c. and 1 500 V d. c. - Equipment for testing, measuring or monitoring of protective measures - Part 2: Insulation resistance
    交流1000V和直流1500V及以下低压配电系统电气安全 防护措施的试验、测量或监控设备 第2部分:绝缘电阻
    China National Standards
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    GB/T 18216.1-2021 Electrical safety in low voLTage distribution systems up to 1 000 V a.c. and 1 500 V d.c.—Equipment for testing,measuring or monitoring of protective measures—Part 1:General requirements
    交流1000V和直流1500V及以下低压配电系统电气安全 防护措施的试验、测量或监控设备 第1部分:通用要求
    China National Standards
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    GB/T 40169-2021 Compression-moulded plates of uLTra-high-molecular-weight polyethylene(PE-UHMW)and high density polyethylene (PE-HD)
    超高分子量聚乙烯(PE-UHMW)和高密度聚乙烯(PE-HD)模塑板材
    China National Standards
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    GB 40161-2021 FiLTers—Safety requirements
    过滤机 安全要求
    China National Standards
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    GB/T 40023-2021 Non-destructive testing instruments - ULTrasonic time-of-flight diffraction instrument - Technical requirements
    无损检测仪器 超声衍射声时检测仪 技术要求
    China National Standards
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    GB/T 40026-2021 CapabiLTy requirements of IoT with resource openness
    具有资源开放性的物联网能力要求
    China National Standards
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    GB/T 40076-2021 AgricuLTural irrigation equipment—Filters—Verification of filtration grade
    农业灌溉设备 过滤器 过滤等级验证
    China National Standards
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    GB/T 40048-2021 Test methods for boLTed connections in structural wood and wood-based materials
    木质结构材螺栓连接力学性能测试方法
    China National Standards
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    GB/T 40028.2-2021 Smart city—Smart medical—Part 2:Mobile heaLTh
    智慧城市 智慧医疗 第2部分:移动健康
    China National Standards
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    GB/T 40018-2021 Information security technology—Certificate request and application protocol based on muLTiple channels
    信息安全技术 基于多信道的证书申请和应用协议
    China National Standards
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    GB/T 27021.10-2021 Conformity assessment—Requirements for bodies providing audit and certification of management systems—Part 10:Competence requirements for auditing and certification of occupational heaLTh and safety management systems
    合格评定 管理体系审核认证机构要求 第10部分:职业健康安全管理体系审核与认证能力要求
    China National Standards
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    GB/T 16895.32-2021 Low voLTage electrical installations - Part 7-712: Requirements for special installations or locations - Solar photovoltaic (PV) power supply systems
    低压电气装置 第7-712部分:特殊装置或场所的要求 太阳能光伏(PV)电源系统
    China National Standards
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    GB/T 9966.17-2021 Test methods for natural stone-Part 17:Determination of resistance to saLT crystallization
    天然石材试验方法 第17部分:盐结晶强度的测定
    China National Standards
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    GB/T 9966.15-2021 Test methods for natural stone- Part 15:Determination of resistance ageing by saLT mist
    天然石材试验方法 第15部分:耐盐雾老化强度测定
    China National Standards
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    GB/T 8361-2021 ULTrasonic testing method for the surface of cold drawn round steel
    冷拉圆钢表面超声检测方法
    China National Standards
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    GB/T 6232-2021 Tractors and machinery for agricuLTure and forestry—Wheel-to-hub fixing dimensions
    农林拖拉机和机械 车轮在轮毂上安装尺寸
    China National Standards
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    GB/T 6165-2021 Test method of the performance of high efficiency particulate air fiLTer—Efficiency and resistance
    高效空气过滤器性能试验方法 效率和阻力
    China National Standards
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    GB/T 39849-2021 Non-destructive testing instruments—ULTrasonic time-of-flight diffraction instrument—Methods of performance tests
    无损检测仪器 超声衍射声时检测仪 性能测试方法
    China National Standards
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    GB/T 28004.2-2021 Disposable diapers—Part 2:Disposable diapers for aduLT
    纸尿裤 第2部分:成人纸尿裤
    China National Standards
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    GB/T 39753-2021 General technology requirements for photovoLTaic (PV) module recycling and recovery
    光伏组件回收再利用通用技术要求
    China National Standards
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    GB/T 39922-2021 Inoculated log production regulations for the cuLTivation of white jelly fungus
    段木银耳耳棒生产规范
    China National Standards
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    GB/T 39817-2021 Conveyor beLTs—Propane burner mid-scale flammability test method
    输送带 丙烷燃烧器中规模可燃性试验方法
    China National Standards
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    GB/T 39967-2021 5-axis simuLTaneous machining center -- Accuracy of S-shaped test piece
    五轴联动加工中心 S形试件精度检验
    China National Standards
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    GB/T 39966-2021 Guidelines for environmental performance evaluation in waste resource muLTiple utilization enterprises
    废弃资源综合利用业环境绩效评价导则
    China National Standards
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    GB/T 39953-2021 5-axis simuLTaneous machining center—Testing of the accuracy for RTCP
    五轴联动加工中心 RTCP精度检验
    China National Standards
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    GB/T 39926-2021 Hydraulic fluid power—FiLTer element test methods—Thermal conditioning and cold start-up simulation
    液压传动 滤芯试验方法 热工况和冷启动模拟
    China National Standards
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    GB/T 39925-2021 Stationary equipment for agricuLTure—Data communications network for livestock farming
    农业固定设备 畜牧业数据通信网络
    China National Standards
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    GB/T 39904-2021 Guidance for regional brand cuLTivation and construction
    区域品牌培育与建设指南
    China National Standards
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    GB/T 39891-2021 Electrical endurance testing for circuit-breakers above a rated voLTage of 52 kV
    52kV及以上断路器电气耐久性试验方法
    China National Standards
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    GB/T 39873-2021 Determination of quaternary ammonium saLT in disinfectant—Liquid chromatography-tandem mass spectrometry
    消毒剂中季铵盐的测定 液相色谱-串联质谱法
    China National Standards
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    GB/T 39857-2021 Specification of photovoLTaic power generation efficiency
    光伏发电效率技术规范
    China National Standards
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    GB/T 39854-2021 Specification of performance evaluation for photovoLTaic power station
    光伏发电站性能评估技术规范
    China National Standards
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    GB/T 39846-2021 LTE-based broadband trunking communication (B-TrunC) system—Test methods for interface (Phase 1)—Interface between trunking core network and dispach console
    基于LTE技术的宽带集群通信(B-TrunC)系统 接口测试方法(第一阶段) 集群核心网到调度台接口
    China National Standards
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    GB/T 39845-2021 LTE-based broadband trunking communication(B-TrunC) system—Technical requirements for network equipments(Phase 1)
    基于LTE技术的宽带集群通信(B-TrunC)系统 网络设备技术要求(第一阶段)
    China National Standards
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    GB/T 39841-2021 ULTrasonic gas meters
    超声波燃气表
    China National Standards
    LT

    English PDF
    GB/T 39840-2021 LTE-based broadband trunking communication (B-TrunC) system—Test methods for interface (Phase 1)—Air interface
    基于LTE技术的宽带集群通信(B-TrunC)系统 接口测试方法(第一阶段) 空中接口
    China National Standards
    LT

    English PDF
    GB/T 39839-2021 LTE-based broadband trunking communication (B-TrunC) system -- Technical requirements for user equipments (Phase 1)
    基于LTE技术的宽带集群通信(B-TrunC)系统 终端设备技术要求(第一阶段)
    China National Standards
    LT

    English PDF
    GB/T 39838-2021 LTE-based broadband trunking communication (B-TrunC) system—Test methods for interface (Phase 1)—Interface between UE and trunking core network
    基于LTE技术的宽带集群通信(B-TrunC)系统 接口测试方法(第一阶段) 终端到集群核心网接口
    China National Standards
    LT

    English PDF
    GB/T 39825-2021 Light conveyor beLTs—Principal characteristics and applications
    轻型输送带 基本性能及应用
    China National Standards
    LT

    English PDF
    GB/T 39823-2021 Light conveyor beLTs—Tolerances on widths and lengths of cut light conveyor belts
    轻型输送带 切割式轻型输送带的宽度和长度极限偏差
    China National Standards
    LT

    English PDF
    GB/T 39819-2021 Conveyor beLTs—Determination of minimum transition distance on three idler rollers
    输送带 三辊托辊最小过渡距离的确定
    China National Standards
    LT

    English PDF
    GB/T 39815-2021 Test method for scratch resistance of uLTrathin glass
    超薄玻璃抗划伤性能试验方法
    China National Standards
    LT

    English PDF
    GB/T 39814-2021 Test method for impact strength of uLTrathin glass—Ball drop method
    超薄玻璃抗冲击强度试验方法 落球冲击法
    China National Standards
    LT

    English PDF
    GB/T 39813-2021 Conveyor beLTs—Guidelines for storage and handling
    输送带 贮存和搬运指南
    China National Standards
    LT

    English PDF
    GB/T 39808-2021 Design specification for external membrane fiLTration system of drinking water
    生活饮用水外置式膜过滤系统设计规范
    China National Standards
    LT

    English PDF
    GB/T 39805-2021 Insulating glass used on muLTiple units
    动车组用中空玻璃
    China National Standards
    LT

    English PDF

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