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Standard Code | Standard Title | Standard Class | Order |
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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 |
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