China National Standards

China duct GB Standards Search


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 "duct" GB Standards List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 33523.72-2022 Product Geometry Specification (GPS) Surface Structure Area Method Part 72: XML File Format x3p
    产品几何技术规范(GPS)表面结构 区域法 第72部分:XML文件格式x3p
    China National Standards
    duct

    English PDF
    GB/T 42113-2022 Determination of cyanogenic glucosides in agricultural products by liquid chromatography-tandem mass spectrometry
    农产品中生氰糖苷的测定 液相色谱-串联质谱法
    China National Standards
    duct

    English PDF
    GB/T 16886.15-2022 Biological Evaluation of Medical Devices-Part 15: Qualitative and Quantitative Degradation Products of Metals and Alloys
    医疗器械生物学评价 第15部分:金属与合金降解产物的定性与定量
    China National Standards
    duct

    English PDF
    GB/T 16886.9-2022 Biological evaluation of medical devices - Part 9: Qualitative and quantitative framework for potential degradation products
    医疗器械生物学评价 第9部分:潜在降解产物的定性和定量框架
    China National Standards
    duct

    English PDF
    GB/T 20453-2022 Persimmon product quality grade
    柿子产品质量等级
    China National Standards
    duct

    English PDF
    GB/T 24305-2022 Eucommia product quality grade
    杜仲产品质量等级
    China National Standards
    duct

    English PDF
    GB/T 41958-2022 Dipped canvas - Test method for thermal conductivity
    浸胶帆布 导热性能试验方法
    China National Standards
    duct

    English PDF
    GB/T 8750-2022 Gold-based bonding wire and ribbon for semiconductor packaging
    半导体封装用金基键合丝、带
    China National Standards
    duct

    English PDF
    GB/T 34590.11-2022 Road vehicles - Functional safety - Part 11: Guidelines for semiconductor applications
    道路车辆 功能安全 第11部分:半导体应用指南
    China National Standards
    duct

    English PDF
    GB/T 34590.7-2022 Road vehicles - Functional safety - Part 7: Production, operation, service and end-of-life
    道路车辆 功能安全 第7部分:生产、运行、服务和报废
    China National Standards
    duct

    English PDF
    GB/T 34590.6-2022 Road vehicles - Functional safety - Part 6: Product development: Software level
    道路车辆 功能安全 第6部分:产品开发:软件层面
    China National Standards
    duct

    English PDF
    GB/T 34590.5-2022 Road vehicles - Functional safety - Part 5: Product development: Hardware level
    道路车辆 功能安全 第5部分:产品开发:硬件层面
    China National Standards
    duct

    English PDF
    GB/T 34590.4-2022 Road vehicles - Functional safety - Part 4: Product development: System level
    道路车辆 功能安全 第4部分:产品开发:系统层面
    China National Standards
    duct

    English PDF
    GB/T 26958.71-2022 Product Geometric Specifications (GPS) Filtering Part 71: Robust Region Filters Gaussian Regression Filters
    产品几何技术规范(GPS) 滤波 第71部分:稳健区域滤波器 高斯回归滤波器
    China National Standards
    duct

    English PDF
    GB/T 33523.606-2022 Geometric Product Specification (GPS) Surface Structure Area Method Part 606: Nominal Characteristics of Non-Contact (Zoom) Type Instruments
    产品几何技术规范(GPS) 表面结构 区域法 第606部分:非接触(变焦)式仪器的标称特性
    China National Standards
    duct

    English PDF
    GB/T 33523.605-2022 Product Geometric Specifications (GPS) Surface Structure Area Method Part 605: Nominal Characteristics of Non-Contact (Point AF Probe) Type Instruments
    产品几何技术规范(GPS) 表面结构 区域法 第605部分:非接触(点自动对焦探针)式仪器的标称特性
    China National Standards
    duct

    English PDF
    GB/T 33523.602-2022 Product Geometry Specification (GPS) Surface Structure Area Method Part 602: Nominal Characteristics of Non-Contact (Confocal Chromatic Probe) Type Instruments
    产品几何技术规范(GPS) 表面结构 区域法 第602部分:非接触(共聚焦色差探针)式仪器的标称特性
    China National Standards
    duct

    English PDF
    GB/T 26958.85-2022 Geometric Product Specification (GPS) Filtering Part 85: Morphological Region Filters Segmentation
    产品几何技术规范(GPS) 滤波 第85部分:形态学区域滤波器 分割
    China National Standards
    duct

    English PDF
    GB/T 42084-2022 Product Geometric Specification (GPS) Extraction
    产品几何技术规范(GPS) 提取
    China National Standards
    duct

    English PDF
    GB/T 16857.9-2022 Geometric Product Specification (GPS) Coordinate Measuring System (CMS) Acceptance and Re-inspection Testing Part 9: Coordinate Measuring Machines Equipped with Multiple Probing Systems
    产品几何技术规范(GPS) 坐标测量系统(CMS)的验收检测和复检检测 第9部分:配备多种探测系统的坐标测量机
    China National Standards
    duct

    English PDF
    GB/T 16857.8-2022 Geometric Product Specification (GPS) Coordinate Measuring System (CMS) Acceptance and Re-inspection Testing Part 8: Coordinate Measuring Machines Using Optical Distance Sensors
    产品几何技术规范(GPS) 坐标测量系统(CMS)的验收检测和复检检测 第8部分:使用光学距离传感器的坐标测量机
    China National Standards
    duct

    English PDF
    GB/T 16857.7-2022 Product Geometric Specification (GPS) Coordinate Measuring System (CMS) Acceptance Test and Re-inspection Test Part 7: Coordinate Measuring Machine Equipped with Image Detection System
    产品几何技术规范(GPS) 坐标测量系统(CMS)的验收检测和复检检测 第7部分:配置影像探测系统的坐标测量机
    China National Standards
    duct

    English PDF
    GB/T 16857.12-2022 Geometric product specification (GPS) Acceptance testing and re-inspection testing of coordinate measuring systems (CMS) Part 12: Coordinate measuring machines with articulated arms
    产品几何技术规范(GPS) 坐标测量系统(CMS)的验收检测和复检检测 第12部分:关节臂式坐标测量机
    China National Standards
    duct

    English PDF
    GB/T 16857.10-2022 Geometric Product Specification (GPS) Coordinate Measuring System (CMS) Acceptance Test and Re-inspection Test Part 10: Laser Tracker
    产品几何技术规范(GPS) 坐标测量系统(CMS)的验收检测和复检检测 第10部分:激光跟踪仪
    China National Standards
    duct

    English PDF
    GB/T 33523.604-2022 Product Geometry Specification (GPS) Surface Structure Area Method Part 604: Nominal Characteristics of Non-Contact (Coherent Scanning Interferometry) Type Instruments
    产品几何技术规范(GPS) 表面结构 区域法 第604部分:非接触(相干扫描干涉)式仪器的标称特性
    China National Standards
    duct

    English PDF
    GB/T 33523.603-2022 Product Geometry Specification (GPS) Surface Structure Area Method Part 603: Nominal Properties of Non-Contact (Phase Shift Interferometry) Type Instruments
    产品几何技术规范(GPS) 表面结构 区域法 第603部分:非接触(相移干涉显微)式仪器的标称特性
    China National Standards
    duct

    English PDF
    GB/T 33523.3-2022 Geometric Product Specification (GPS) Surface Structure Area Method Part 3: Set of Specification Operations
    产品几何技术规范(GPS) 表面结构 区域法 第3部分:规范操作集
    China National Standards
    duct

    English PDF
    GB/T 18916.5-2022 Quotas for water withdrawals - Part 5: Paper products
    取水定额 第5部分:造纸产品
    China National Standards
    duct

    English PDF
    GB/T 42169-2022 Green Product Evaluation Household Gas Appliances
    绿色产品评价 家用燃气用具
    China National Standards
    duct

    English PDF
    GB/T 41945-2022 Rubber and vulcanizate - Determination of metal content by inductively coupled plasma optical emission spectrometry (ICP-OES)
    生胶和硫化胶 用电感耦合等离子体发射光谱仪(ICP-OES)测定金属含量
    China National Standards
    duct

    English PDF
    GB/T 42089-2022 Child-resistant packaging - Requirements and test methods for non-reclosable packaging for non-drug products
    防止儿童开启包装 非药品用不可再封口包装的要求与试验方法
    China National Standards
    duct

    English PDF
    GB/T 26416.3-2022 Chemical analysis methods of rare earth ferroalloys - Part 3: Determination of calcium, magnesium, aluminum, nickel, manganese content - Inductively coupled plasma emission spectrometry
    稀土铁合金化学分析方法 第3部分:钙、镁、铝、镍、锰量的测 定 电感耦合等离子体发射光谱法
    China National Standards
    duct

    English PDF
    GB/T 26416.2-2022 Methods for chemical analysis of rare earth ferroalloys - Part 2: Determination of rare earth impurity content - Inductively coupled plasma emission spectrometry
    稀土铁合金化学分析方法 第2部分:稀土杂质含量的测定 电感耦合等离子体发射光谱法
    China National Standards
    duct

    English PDF
    GB/T 13747.26-2022 Methods for chemical analysis of zirconium and zirconium alloys - Part 26: Determination of alloys and impurity elements - Inductively coupled plasma atomic emission spectrometry
    锆及锆合金化学分析方法 第26部分:合金及杂质元素的测定 电感耦合等离子体原子发射光谱法
    China National Standards
    duct

    English PDF
    GB/T 42275-2022 Cemented carbide - Determination of total carbon content - High frequency combustion infrared absorption method/thermal conductivity method
    硬质合金 总碳量的测定 高频燃烧红外吸收法/热导法
    China National Standards
    duct

    English PDF
    GB/T 41952-2022 Technical specifications for the treatment and disposal of waste liquid from the production of naphthalene dye intermediates
    萘系染料中间体生产废液处理处置技术规范
    China National Standards
    duct

    English PDF
    GB/T 27977-2022 Electric energy efficiency test and calculation method for cement production
    水泥生产电能能效测试及计算方法
    China National Standards
    duct

    English PDF
    GB/T 14352.24-2022 Methods for chemical analysis of tungsten ore and molybdenum ore - Part 24: Determination of germanium content - Inductively coupled plasma mass spectrometry
    钨矿石、钼矿石化学分析方法 第24部分:锗含量的测定 电感耦合等离子体质谱法
    China National Standards
    duct

    English PDF
    GB/T 17626.19-2022 Electromagnetic compatibility-Testing and measurement techniques-Part 19: 2kHz~150kHz differential mode conducted disturbance and communication signal immunity test of AC power port
    电磁兼容 试验和测量技术 第19部分:交流电源端口2kHz~150kHz差模传导骚扰和通信信号抗扰度试验
    China National Standards
    duct

    English PDF
    GB/T 42206-2022 General technical requirements for bagged dried noodle packaging production line
    袋装挂面包装生产线通用技术要求
    China National Standards
    duct

    English PDF
    GB/T 42273-2022 Zirconium compound chemical analysis method Calcium, hafnium, titanium, sodium, iron, chromium, cadmium, zinc, manganese, copper, nickel, lead content determination Inductively coupled plasma atomic emission spectrometry
    锆化合物化学分析方法 钙、铪、钛、钠、铁、铬、镉、锌、锰、铜、镍、铅含量的测定 电感耦合等离子体原子发射光谱法
    China National Standards
    duct

    English PDF
    GB/T 42200-2022 Smart Manufacturing Mass Personalization Production Requirements
    智能制造 大规模个性化定制 生产要求
    China National Standards
    duct

    English PDF
    GB/T 42172-2022 Essential oils - General rules for labeling and identification of products
    精油 产品标签标识通则
    China National Standards
    duct

    English PDF
    GB/T 42240-2022 Nanotechnology Determination of metallic impurities in graphene powders Inductively coupled plasma mass spectrometry
    纳米技术 石墨烯粉体中金属杂质的测定 电感耦合等离子体质谱法
    China National Standards
    duct

    English PDF
    GB/T 21445.2-2022 Oil and gas industry - Design and operation of subsea production systems - Part 2: Unbonded flexible pipe systems
    石油天然气工业 水下生产系统的设计和操作 第2部分:非粘结挠性管系统
    China National Standards
    duct

    English PDF
    GB/T 42175-2022 Determination of copper, lead, zinc, cadmium and chromium in drilling mud and drilling cuttings for offshore oil exploration and development Microwave digestion-inductively coupled plasma mass spectrometry
    海洋石油勘探开发钻井泥浆和钻屑中铜、铅、锌、镉、铬的测定 微波消解-电感耦合等离子体质谱法
    China National Standards
    duct

    English PDF
    GB/T 17851-2022 Product Geometric Specifications (GPS) Geometric Tolerancing Datums and Datum Systems
    产品几何技术规范(GPS) 几何公差 基准和基准体系
    China National Standards
    duct

    English PDF
    GB/T 42207.5-2022 Connectors for electronic equipment - Product requirements - Rectangular connectors - Part 5: Detail specification for snap lock rewirable power connectors with rated voltage DC 250 V and rated current 30 A
    电子设备用连接器 产品要求 矩形连接器 第5部分:额定电压直流250 V额定电流30 A卡扣锁紧可重复接线电源连接器详细规范
    China National Standards
    duct

    English PDF
    GB/T 23586-2022 General rules for the quality of stewed meat products with sauce
    酱卤肉制品质量通则
    China National Standards
    duct

    English PDF
    GB/T 42248-2022 Determination of iodine and bromine content in soil and water system sediment semi-melting-inductively coupled plasma mass spectrometry
    土壤、水系沉积物 碘、溴含量的测定 半熔-电感耦合等离子体质谱法
    China National Standards
    duct

    English PDF
    GB/T 41066.2-2022 Oil and gas drilling and production equipment Offshore oil semi-submersible drilling platform Part 2: Construction, installation, commissioning and acceptance
    石油天然气钻采设备 海洋石油半潜式钻井平台 第2部分:建造安装和调试验收
    China National Standards
    duct

    English PDF
    GB 21346-2022 Energy consumption quota per unit product of electrolytic aluminum and alumina
    电解铝和氧化铝单位产品能源消耗限额
    China National Standards
    duct

    English PDF
    GB 29448-2022 Energy consumption quota per unit product of titanium sponge and titanium ingot
    海绵钛和钛锭单位产品能源消耗限额
    China National Standards
    duct

    English PDF
    GB 21341-2022 Energy consumption quota per unit product of ferroalloy
    铁合金单位产品能源消耗限额
    China National Standards
    duct

    English PDF
    GB 25324-2022 Energy consumption quota per unit product of carbon for aluminum
    铝用炭素单位产品能源消耗限额
    China National Standards
    duct

    English PDF
    GB 42250-2022 Information Security Technology - Security Technical Requirements for Network Security Special Products
    信息安全技术 网络安全专用产品安全技术要求
    China National Standards
    duct

    English PDF
    GB 31241-2022 Lithium-ion cells and batteries for portable electronic products Safety technical specifications
    便携式电子产品用锂离子电池和电池组 安全技术规范
    China National Standards
    duct

    English PDF
    GB 29447-2022 Energy consumption quota per unit product of polysilicon and germanium
    多晶硅和锗单位产品能源消耗限额
    China National Standards
    duct

    English PDF
    GB/T 42002-2022 Multilingual description of cross-border e-commerce transaction product information Smartphone
    跨境电子商务交易类产品信息多语种描述 智能手机
    China National Standards
    duct

    English PDF
    GB/T 42003-2022 Multilingual classification and naming of cross-border e-commerce transaction products Ceramic products
    跨境电子商务交易类产品多语种分类与命名 陶瓷产品
    China National Standards
    duct

    English PDF
    GB/T 41725-2022 Guidelines for Establishing Limits of Chemical Substances in Consumer Products
    消费品中化学物质限量制定导则
    China National Standards
    duct

    English PDF
    GB/T 41826-2022 Guidelines for Reliability Improvement of Consumer Products Based on Quality Assurance Data
    基于质保数据的消费品可靠性改进指南
    China National Standards
    duct

    English PDF
    GB/T 6488-2022 Liquid chemical products - Determination of refractive index
    液体化工产品 折光率的测定
    China National Standards
    duct

    English PDF
    GB/T 18779.1-2022 Geometric Product Specification (GPS) Measurement Inspection of Workpieces and Measuring Equipment Part 1: Rules for Passing or Failing Verification According to Specifications
    产品几何技术规范(GPS) 工件与测量设备的测量检验 第1部分:按规范验证合格或不合格的判定规则
    China National Standards
    duct

    English PDF
    GB/T 21172-2022 Sensory analysis Guidelines for sensory evaluation of product color
    感官分析 产品颜色感官评价导则
    China National Standards
    duct

    English PDF
    GB/T 15549-2022 Sensory analysis Methodology Introduction and training of evaluators in detection and identification of odors
    感官分析 方法学 检测和识别气味方面评价员的入门和培训
    China National Standards
    duct

    English PDF
    GB/T 41723-2022 Automation system and integration Complex product digital twin architecture
    自动化系统与集成 复杂产品数字孪生体系架构
    China National Standards
    duct

    English PDF
    GB/T 14048.22-2022 Low-voltage switchgear and controlgear - Part 7-4: Auxiliary devices - PCB terminal blocks for copper conductors
    低压开关设备和控制设备 第7-4部分:辅助器件 铜导体的PCB接线端子排
    China National Standards
    duct

    English PDF
    GB/T 23023-2022 Informatization and industrialization integration management system Production equipment operation performance evaluation index set
    信息化和工业化融合管理体系 生产设备运行绩效评价指标集
    China National Standards
    duct

    English PDF
    GB/T 23022-2022 Informatization and industrialization integration management system Production equipment operation management specifications
    信息化和工业化融合管理体系 生产设备运行管理规范
    China National Standards
    duct

    English PDF
    GB/T 41769-2022 CdZnTe chemical analysis method - Determination of zinc and cadmium content - Inductively coupled plasma atomic emission spectrometry
    碲锌镉化学分析方法 锌和镉含量的测定 电感耦合等离子体原子发射光谱法
    China National Standards
    duct

    English PDF
    GB/T 4096.2-2022 Geometric Product Specification (GPS) Wedge Part 2: Dimensioning and Tolerancing
    产品几何技术规范(GPS) 楔体 第2部分:尺寸与公差标注
    China National Standards
    duct

    English PDF
    GB/T 4096.1-2022 Product Geometric Specifications (GPS) Wedges Part 1: Angle and Slope Series
    产品几何技术规范(GPS) 楔体 第1部分:角度与斜度系列
    China National Standards
    duct

    English PDF
    GB/T 42124.1-2022 Geometric product specification (GPS) Dimensional and geometric tolerances of molded parts - Part 1: Vocabulary
    产品几何技术规范(GPS) 模制件的尺寸和几何公差 第1部分:词汇
    China National Standards
    duct

    English PDF
    GB/T 41858-2022 Product Geometric Specification (GPS) Batch Specification
    产品几何技术规范(GPS) 批量规范
    China National Standards
    duct

    English PDF
    GB/T 16892-2022 Product Geometric Specification (GPS) Dimensioning and Tolerancing Non-rigid Parts
    产品几何技术规范(GPS) 尺寸和公差标注 非刚性零件
    China National Standards
    duct

    English PDF
    GB/T 3836.21-2022 Explosive atmospheres - Part 21: Application of the quality management system for the production of explosion-proof products
    爆炸性环境 第21部分:防爆产品生产质量管理体系的应用
    China National Standards
    duct

    English PDF
    GB/T 42047-2022 Determination method for outgassing products of materials and components in the sealed cabin of manned spacecraft
    载人航天器密封舱内材料和部组件出气产物测定方法
    China National Standards
    duct

    English PDF
    GB/T 41729-2022 Technical regulations for production quality control of compound microbial fertilizer
    复合型微生物肥料生产质量控制技术规程
    China National Standards
    duct

    English PDF
    GB/T 41714-2022 Agricultural socialization service Specifications for e-commerce transactions of fresh agricultural products
    农业社会化服务 生鲜农产品电子商务交易服务规范
    China National Standards
    duct

    English PDF
    GB/T 41880-2022 Plastics - epoxy resins - determination of electrical conductivity of aqueous extracts
    塑料 环氧树脂 水萃取液电导率的测定
    China National Standards
    duct

    English PDF
    GB/T 41977-2022 Packaging Labeling and direct product marking with 1D and 2D barcodes
    包装 一维条码和二维条码的标签和直接产品标记
    China National Standards
    duct

    English PDF
    GB/T 41854-2022 Packaging 1D and 2D barcodes for product packaging
    包装 产品包装用的一维条码和二维条码
    China National Standards
    duct

    English PDF
    GB/T 23825-2022 Determination of formaldehyde emission in wood-based panels and their products-Gas analysis method
    人造板及其制品中甲醛释放量测定 气体分析法
    China National Standards
    duct

    English PDF
    GB/T 5169.19-2022 Fire Hazard Tests for Electric and Electronic Products-Part 19: Abnormal Thermal Molded Stress Release Deformation Test
    电工电子产品着火危险试验 第19部分:非正常热 模压应力释放变形试验
    China National Standards
    duct

    English PDF
    GB/T 5169.47-2022 Fire Hazard Tests for Electric and Electronic Products - Part 47: Guidelines for Classification of Electric Power and Energy in Relation to the Probability of Ignition and Fire for Low-Voltage Electrical Products
    电工电子产品着火危险试验 第47部分:与低压电工产品起燃和着火概率相关的电功率和能量分级导则
    China National Standards
    duct

    English PDF
    GB/T 1871.5-2022 Determination of magnesium oxide content in phosphate rocks and concentrates - Flame atomic absorption spectrometry, volumetric and inductively coupled plasma emission spectrometry
    磷矿石和磷精矿中氧化镁含量的测定 火焰原子吸收光谱法、容量法和电感耦合等离子体发射光谱法
    China National Standards
    duct

    English PDF
    GB/T 41808-2022 High dynamic range television program production and exchange of image parameter values
    高动态范围电视节目制作和交换图像参数值
    China National Standards
    duct

    English PDF
    GB/T 41809-2022 UHDTV system program production and exchange parameter values
    超高清晰度电视系统节目制作和交换参数值
    China National Standards
    duct

    English PDF
    GB/T 18931-2022 Classification of alkaline dense shaped refractory products with carbon content less than 7%
    碳含量小于7%的碱性致密定形耐火制品分类
    China National Standards
    duct

    English PDF
    GB/T 17934.4-2022 Printing technology - Process control of halftone color separation plates, proofs and production prints - Part 4: Publishing gravure printing
    印刷技术 网目调分色版、样张和生产印刷品的加工过程控制 第4部分:出版凹印
    China National Standards
    duct

    English PDF
    GB/T 41699-2022 Examination method for exogenous mycoplasma in veterinary biological products
    兽用生物制品外源支原体检验方法
    China National Standards
    duct

    English PDF
    GB/T 41698-2022 Detection method of exogenous virus in biological products of duck origin
    鸭源生物制品外源病毒检测方法
    China National Standards
    duct

    English PDF
    GB/T 8039-2022 Determination method of total sulfur content in coking benzene products
    焦化苯类产品全硫含量的测定方法
    China National Standards
    duct

    English PDF
    GB/T 41844-2022 Specifications for the prevention and control of human-originated contamination of DNA testing products
    DNA检验用产品人源性污染防控规范
    China National Standards
    duct

    English PDF
    GB/T 13747.18-2022 Methods for chemical analysis of zirconium and zirconium alloys - Part 18: Determination of vanadium content - Benzoylphenyl hydroxylamine spectrophotometry and inductively coupled plasma atomic emission spectrometry
    锆及锆合金化学分析方法 第18部分:钒含量的测定 苯甲酰苯基羟胺分光光度法和电感耦合等离子体原子发射光谱法
    China National Standards
    duct

    English PDF
    GB/T 13747.10-2022 Methods for chemical analysis of zirconium and zirconium alloys - Part 10: Determination of tungsten content - Thiocyanate spectrophotometry and inductively coupled plasma atomic emission spectrometry
    锆及锆合金化学分析方法 第10部分:钨含量的测定 硫氰酸盐分光光度法和电感耦合等离子体原子发射光谱法
    China National Standards
    duct

    English PDF
    GB/T 13747.9-2022 Methods for chemical analysis of zirconium and zirconium alloys - Part 9: Determination of magnesium content - flame atomic absorption spectrometry and inductively coupled plasma atomic emission spectrometry
    锆及锆合金化学分析方法 第9部分:镁含量的测定 火焰原子吸收光谱法和电感耦合等离子体原子发射光谱法
    China National Standards
    duct

    English PDF
    GB/T 6150.2-2022 Methods for chemical analysis of tungsten concentrates - Part 2: Determination of tin content - Potassium iodate titration and inductively coupled plasma atomic emission spectrometry
    钨精矿化学分析方法 第2部分:锡含量的测定 碘酸钾滴定法和电感耦合等离子体原子发射光谱法
    China National Standards
    duct

    English PDF
    GB/T 21737-2022 Provide consumers with information about products and related services
    为消费者提供产品及相关服务的信息
    China National Standards
    duct

    English PDF

    Find out:4232Items   |  To Page of: First -Previous-Next -Last  | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43

    +86-755-25831330        sales@gbstandards.org 
    106# Zhongmao Mansion,No.1 Beizhan Road,Shenzhen,China
    ©  RJS Copyright  2001-2024 All Rights Reserved

    - Since 2001 -
    Focus on China Standards & Compliance Services

    www.rjs.cn

    China Licenses

    www.transcustoms.com

    China HS code & Tariff

    www.gbstandards.org

    China National Standards