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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 "o" GB Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 4930-2021 Microbeam analysis—Electron probe microanalysis—Guidelines for the specification of certified reference materials (CRMs)
    微束分析 电子探针显微分析 标准样品技术条件导则    		 China National Standards
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    GB/T 4893.1-2021 Test of surface coatings of furniture—Part 1: Determination of surface resistance to cold liquids
    家具表面漆膜理化性能试验 第1部分：耐冷液测定法    		 China National Standards
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    GB/T 4798.2-2021 Classification of environmental conditions—Classification of groups of environmental parameters and their severities—Part 2:Transportation and handling
    环境条件分类 环境参数组分类及其严酷程度分级 第2部分：运输和装卸    		 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 3480.5-2021 Calculation of load capacity of spur and helical gears—Part 5:Strength and quality of materials
    直齿轮和斜齿轮承载能力计算 第5部分：材料的强度和质量    		 China National Standards
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    GB/T 2424.6-2021 Environmental testing-Part 3:Supporting documentation and guidance- Confirmation of the performance of temperature/humidity chambers
    环境试验 第3部分：支持文件及导则 温度/湿度试验箱性能确认    		 China National Standards
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    GB/T 2424.5-2021 Environmental testing—Part 3:Supporting documentation and guidance—Confirmation of the performance of temperature chambers
    环境试验 第3部分：支持文件及导则 温度试验箱性能确认    		 China National Standards
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    GB/T 2423.38-2021 Environmental testing-Part 2:Test methods-Test R:Water test method and guidance
    环境试验 第2部分：试验方法 试验R：水试验方法和导则    		 China National Standards
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    GB/T 2423.33-2021 Environmental testing - Part 2: Test methods - Test Kca: High concentration sulfur dioxid
    环境试验 第2部分：试验方法 试验Kca：高浓度二氧化硫试验    		 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 2351-2021 Fluid power systems and components-Outside diameters of tubes and inside diameters of hoses
    流体传动系统及元件 硬管外径和软管内径    		 China National Standards
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    GB/T 2076-2021 Indexable inserts for cutting tools—Designation
    切削刀具用可转位刀片 型号表示规则    		 China National Standards
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    GB/T 1551-2021 Test method for measuring resistivity of monocrystal silicon—In-line four-point probe and direct current two-point probe method
    硅单晶电阻率的测定 直排四探针法和直流两探针法    		 China National Standards
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    GB/T 1029-2021 Test procedures for three-phase synchronous machines
    三相同步电机试验方法    		 China National Standards
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    GB/T 786.3-2021 Fluid power systems and components—Graphical symbols and circuit diagrams—Part 3: Symbol modules and connected symbols in circuit diagrams
    流体传动系统及元件 图形符号和回路图 第3部分：回路图中的符号模块和连接符号    		 China National Standards
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    GB/T 786.1-2021 Fluid power systems and components—Graphical symbols and circuit diagrams—Part 1:Graphical symbols
    流体传动系统及元件 图形符号和回路图 第1部分：图形符号    		 China National Standards
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    GB/T 325.6-2021 Packaging container—Steel drum—Part 6：Tapered-opening steel drum
    包装容器 钢桶 第6部分：锥形开口钢桶    		 China National Standards
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    GB/T 22394.2-2021 Condition monitoring and diagnostics of machines - Data interpretation and diagnostics techniques - Part 2: Data-driven applications
    机器状态监测与诊断 数据判读与诊断技术 第2部分：数据驱动的应用    		 China National Standards
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    GB/T 22148.3-2021 Test method on electromagnetic emissions—Part 3:Electronic control gear for LED modules
    电磁发射的试验方法 第3部分：LED模块用电子控制装置    		 China National Standards
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    GB/T 22114-2021 Humectants for toothpastes - Glycerin and polyethylene glycol
    牙膏用保湿剂 甘油和聚乙二醇    		 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 21017-2021 Technical specifications for maize drying
    玉米干燥技术规范    		 China National Standards
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    GB/T 20720.4-2021 Enterprise-control system integration—Part 4:Object model attributes for manufacturing operations management integration
    企业控制系统集成 第4部分：制造运行管理集成的对象模型属性    		 China National Standards
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    GB/T 20373-2021 Determination of acetyl content in modified starch—Titrimetric method
    变性淀粉中乙酰基含量的测定 滴定法    		 China National Standards
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    GB/T 20091-2021 Classification for organizations
    组织机构类型    		 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 18916.56-2021 Norm of water intake - Part 56: Fur
    取水定额 第56部分：毛皮    		 China National Standards
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    GB/T 18916.54-2021 Norm of water intake - Part 54: Canned food
    取水定额 第54部分：罐头食品    		 China National Standards
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    GB/T 18916.53-2021 Norm of water intake - Part 53: Sugar
    取水定额 第53部分：食糖    		 China National Standards
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    GB/T 18916.1-2021 Norm of water intake—Part 1：Thermal power production
    取水定额 第1部分：火力发电    		 China National Standards
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    GB/T 18341-2021 Specifications of survey for geological and mineral resources exploration
    地质矿产勘查测量规范    		 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 40240-2021 Guidelines for evaluation of ecological community
    生态社区评价指南    		 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/T 40151-2021 Security and resilience—Emergency management—Guidelines for capability assessment
    安全与韧性 应急管理 能力评估指南    		 China National Standards
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    GB/T 8897.2-2021 Primary batteries—Part 2: Physical and electrical specifications
    原电池 第2部分：外形尺寸和电性能    		 China National Standards
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    GB/T 25195.4-2021 Cranes—Graphical symbols—Part 4:Jib cranes
    起重机 图形符号 第4部分：臂架起重机    		 China National Standards
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    GB 9656-2021 Safety technical specification for glazing materials used in power-driven vehicles
    机动车玻璃安全技术规范    		 China National Standards
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    GB 40159-2021 En-masse conveyors—Safety rules
    埋刮板输送机 安全规范    		 China National Standards
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    GB 19268-2021 Solid cyanide package
    固体氰化物包装    		 China National Standards
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    GB 40160-2021 Safety rules for elevating work platforms
    升降工作平台安全规则    		 China National Standards
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    GB 40165-2021 Lithium ion cells and batteries used in stationary electronic equipments—Safety technical specification
    固定式电子设备用锂离子电池和电池组 安全技术规范    		 China National Standards
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    GB 23238-2021 Boar liquid semen
    种猪常温精液    		 China National Standards
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    GB 17957-2021 Rock drilling machines and pneumatic tools—Safety requirements
    凿岩机械与气动工具 安全要求    		 China National Standards
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    GB 18382-2021 Fertilizer marking—Presentation and declaration
    肥料标识 内容和要求    		 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 40164-2021 Automobiles and trailer - Specifications and test methods of brake part
    汽车和挂车 制动器用零部件技术要求及试验方法    		 China National Standards
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    GB/T 40058-2021 Coding specification for the national fixed assets investment projects
    全国固定资产投资项目代码编码规范    		 China National Standards
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    GB/T 40052-2021 Preservative-treated plywood
    防腐胶合板    		 China National Standards
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    GB/T 40044-2021 Specification of warehouse distribution information exchange in express service manufacturing industry
    快递服务制造业仓配信息交换规范    		 China National Standards
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    GB/T 40043-2021 Specification of information exchange between express service and electronic commerce
    快递服务与电子商务信息交换规范    		 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 39990-2021 Particulate -- Bioaerosol sampler -- Technical specification
    颗粒 生物气溶胶采样器 技术条件    		 China National Standards
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    GB/T 39885-2021 Examination methods for triazolam in suspected drugs - Gas chromatography and gas chromatography-mass spectrometry
    疑似毒品中三唑仑检验 气相色谱和气相色谱-质谱法    		 China National Standards
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    GB/T 39884-2021 Examination methods for three components in cannabis in suspected drugs - Gas chromatography and gas chromatography-mass spectrometry
    疑似毒品中大麻三种成分检验 气相色谱和气相色谱-质谱法    		 China National Standards
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    GB/T 39883-2021 Examination methods for morphine in suspected drugs - Gas chromatography and gas chromatography-mass spectrometry
    疑似毒品中吗啡检验 气相色谱和气相色谱-质谱法    		 China National Standards
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    GB/T 39882-2021 Examination methods for methylene dioxymetham phetamine in suspected drugs -- Gas chromatography and gas chromatography-mass spectrometry
    疑似毒品中二亚甲基双氧安非他明检验 气相色谱和气相色谱-质谱法    		 China National Standards
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    GB/T 39881-2021 Examination methods for methaqualone in suspected drugs -- Gas chromatography and gas chromatography-mass spectrometry
    疑似毒品中安眠酮检验 气相色谱和气相色谱-质谱法    		 China National Standards
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    GB/T 39880-2021 Examination methods for methadone in suspected drugs -- Gas chromatography and gas chromatography-mass spectrometry
    疑似毒品中美沙酮检验 气相色谱和气相色谱-质谱法    		 China National Standards
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    GB/T 39879-2021 Examination methods for five components in opium in suspected drugs - Gas chromatography and gas chromatography-mass spectrometry
    疑似毒品中鸦片五种成分检验 气相色谱和气相色谱-质谱法    		 China National Standards
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    GB/T 39878-2021 Examination methods for estazolam in suspected drugs - Gas chromatography and gas chromatography-mass spectrometry
    疑似毒品中艾司唑仑检验 气相色谱和气相色谱-质谱法    		 China National Standards
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    GB/T 39877-2021 Examination methods for diazepam in suspected drugs—Gas chromatography and gas chromatography-mass spectrometry
    疑似毒品中地西泮检验 气相色谱和气相色谱-质谱法    		 China National Standards
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    GB/T 39876-2021 Examination methods for cocaine in suspected drugs—Gas chromatography and gas chromatography-mass spectrometry
    疑似毒品中可卡因检验 气相色谱和气相色谱-质谱法    		 China National Standards
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    GB/T 39875-2021 Examination methods for chlordiazepoxide in suspected drugs—Gas chromatography and gas chromatography-mass spectrometry
    疑似毒品中氯氮卓检验 气相色谱和气相色谱-质谱法    		 China National Standards
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    GB/T 39874-2021 Examination methods for bromazepam in suspected drugs—Gas chromatography and gas chromatography-mass spectrometry
    疑似毒品中溴西泮检验 气相色谱和气相色谱-质谱法    		 China National Standards
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    GB/T 39782-2021 Specifications for safe firing area map-drawing of anti-aircraft gun at weather modification operating spots
    人工影响天气高炮作业点安全射界图绘制规范    		 China National Standards
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    GB/T 33779.3-2021 Guidance for special characteristic of optical fibre—Part 3:Effective area(Aeff)
    光纤特性测试导则 第3部分：有效面积(Aeff)    		 China National Standards
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    GB/T 28515.2-2021 Test method for automatically switched optical network(ASON)—Part 2:OTN-based ASON
    自动交换光网络(ASON)测试方法 第2部分：基于OTN的ASON    		 China National Standards
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    GB/T 21548-2021 Methods of measurement of the high speed semiconductor lasers directly modulated for optical fiber communication systems
    光通信用高速直接调制半导体激光器的测量方法    		 China National Standards
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    GB/T 15972.42-2021 Specifications for optical fibre test methods—Part 42:Measurement methods and test procedures for transmission characteristics—Chromatic dispersion
    光纤试验方法规范 第42部分：传输特性的测量方法和试验程序 波长色散    		 China National Standards
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    GB/T 15000.7-2021 Directives for the work of reference materials—Part 7:General requirements for the competence of reference material producers
    标准样品工作导则 第7部分：标准样品生产者能力的通用要求    		 China National Standards
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    GB 5084-2021 Standard for irrigation water quality
    农田灌溉水质标准    		 China National Standards
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    GB/T 40086-2021 Synthetic ice rink - General technical requirements and test methods
    仿真冰场 通用技术要求和试验方法    		 China National Standards
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    GB/T 40047-2021 Personal protective equipment-Eye and face protection for sports use-Ski goggles
    个体防护装备 运动眼面部防护 滑雪镜    		 China National Standards
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    GB/T 40088-2021 Management specification for transparency in village affairs
    村务公开管理规范    		 China National Standards
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    GB/T 40087-2021 Geospatial grid encoding rule
    地球空间网格编码规则    		 China National Standards
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    GB/T 40085-2021 Navigation electronic map - Division network model
    导航电子地图 分区网络模型    		 China National Standards
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    GB/T 40057-2021 Emblem of the Communist Youth League of China
    中国共产主义青年团团徽    		 China National Standards
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    GB/T 40056-2021 Standard color sample for flag of the Communist Youth League of China
    中国共产主义青年团团旗颜色标准样品    		 China National Standards
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    GB/T 40055-2021 Flag of the Communist Youth League of China
    中国共产主义青年团团旗    		 China National Standards
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    GB/T 40053-2021 Specification for construction on long-term observation research station of forest ecosystem
    森林生态系统长期定位观测研究站建设规范    		 China National Standards
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    GB/T 40051-2021 Code of recycle and utilization for discarded wood-based panels
    废旧人造板回收利用规范    		 China National Standards
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    GB/T 39774-2021 Basic functions and technical requirements for navigation application software
    导航应用软件基本功能及技术要求    		 China National Standards
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    GB/T 22752-2021 Assistive product for person with disability - Grab bar
    康复辅助器具 抓握杆    		 China National Standards
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    GB 40163-2021 Safety technical specification for packing dangerous goods in containers transported by sea
    海运危险货物集装箱装箱安全技术要求    		 China National Standards
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    GB 16993-2021 Safety regulations for avoid working under hazardous condition of oxygen deficiency in enclosed spaces aboard ships
    防止船舶封闭处所缺氧危险作业安全规程    		 China National Standards
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    GB 18985-2021 Amount of supply gases for divers
    潜水员供气量    		 China National Standards
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    GB 24427-2021 Content limitation of mercury, cadmium and lead for zinc anode primary battery
    锌负极原电池汞镉铅含量的限制要求    		 China National Standards
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    GB/T 40091-2021 Requirements for safety measures of relaying protection and security automatic equipment in smart substation
    智能变电站继电保护和电网安全自动装置安全措施要求    		 China National Standards
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    GB/T 40090-2021 Code for operation and maintenance of energy storage station
    储能电站运行维护规程    		 China National Standards
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    GB/T 40089-2021 Steel wire ropes for the petroleum and natural gas industries—Minimum requirements and terms of acceptance
    石油和天然气工业用钢丝绳 最低要求和验收条件    		 China National Standards
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    GB/T 40084-2021 Guidance for energy management performance assessment in iron and steel industry
    钢铁行业能源管理绩效评价指南    		 China National Standards
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    GB/T 40083-2021 Technical requirements for online monitoring of energy consumption of building materials industry
    建筑材料行业能耗在线监测技术要求    		 China National Standards
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    GB/T 40082-2021 Wind turbines—Drive train ground test specification
    风力发电机组 传动链地面测试技术规范    		 China National Standards
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