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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. |
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 41965-2022 |
Photography Flushing Waste Liquid DeterMination of Total Content of Ammonia Nitrogen (Micro-diffusion Kjeldahl Nitrogen Method) 摄影 冲洗废液 氨态氮总含量的测定 (微扩散凯氏氮法) |
China National Standards Mi |
 English PDF |
| GB/T 41963-2022 |
Technical requirements for classification and collection of cheMicals used in waste vehicles 废弃车用化学品分类与收集技术要求 |
China National Standards Mi |
English PDF |
| GB/T 41961-2022 |
Disposal method of waste Mineral oil lubricating oil 废矿物油类润滑油处理处置方法 |
China National Standards Mi |
English PDF |
| GB/T 25308-2022 |
DC filter for HVDC transMission system 高压直流输电系统直流滤波器 |
China National Standards Mi |
English PDF |
| GB/T 20899.8-2022 |
Methods for cheMical analysis of gold ores - Part 8: Determination of sulfur content 金矿石化学分析方法 第8部分：硫量的测定 |
China National Standards Mi |
English PDF |
| GB/T 20899.7-2022 |
Methods for cheMical analysis of gold ores - Part 7: Determination of iron content 金矿石化学分析方法 第7部分：铁量的测定 |
China National Standards Mi |
English PDF |
| GB/T 7739.8-2022 |
Methods for cheMical analysis of gold concentrates - Part 8: Determination of sulfur content 金精矿化学分析方法 第8部分：硫量的测定 |
China National Standards Mi |
English PDF |
| GB/T 7739.7-2022 |
Methods for cheMical analysis of gold concentrates - Part 7: Determination of iron content 金精矿化学分析方法 第7部分：铁量的测定 |
China National Standards Mi |
English PDF |
| GB/T 4966-2022 |
DeterMination method of tensile strength of ceramic materials for daily use 日用陶瓷材料抗张强度测定方法 |
China National Standards Mi |
English PDF |
| GB/T 42288-2022 |
Safety regulations for electrocheMical energy storage power stations 电化学储能电站安全规程 |
China National Standards Mi |
English PDF |
| GB/T 41950-2022 |
Metallic coatings Zinc and zinc alloy electroplating with hexavalent chroMium-free treatment on steel 金属覆盖层 钢铁上经过无六价铬处理的锌和锌合金电镀层 |
China National Standards Mi |
English PDF |
| GB/T 26416.5-2022 |
Methods for cheMical analysis of rare earth iron alloys - Part 5: Determination of oxygen content - Pulse-infrared absorption method 稀土铁合金化学分析方法 第5部分：氧含量的测定 脉冲-红外吸收法 |
China National Standards Mi |
English PDF |
| GB/T 26416.4-2022 |
Methods for cheMical analysis of rare earth iron alloys - Part 4: Determination of iron content - Potassium dichromate titration method 稀土铁合金化学分析方法 第4部分：铁量的测定 重铬酸钾滴定法 |
China National Standards Mi |
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 Mi |
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 Mi |
English PDF |
| GB/T 26416.1-2022 |
CheMical Analysis Methods of Rare Earth Ferroalloys Part 1: Determination of Total Rare Earth 稀土铁合金化学分析方法 第1部分：稀土总量的测定 |
China National Standards Mi |
English PDF |
| GB/T 41903.3-2022 |
Information technology - Object-oriented biometric application programMing interface - Part 3: C# implementation 信息技术 面向对象的生物特征识别应用编程接口 第3部分：C#实现 |
China National Standards Mi |
English PDF |
| GB/T 41903.2-2022 |
Information technology - Object-oriented biometric application programMing interface - Part 2: Java implementation 信息技术 面向对象的生物特征识别应用编程接口 第2部分：Java实现 |
China National Standards Mi |
English PDF |
| GB/T 17814-2022 |
DeterMination of butylated hydroxyanisole, dibutyl hydroxytoluene, tert-butyl hydroquinone, ethoxyquinoline and propyl gallate in feed 饲料中丁基羟基茴香醚、二丁基羟基甲苯、特丁基对苯二酚、乙氧基喹啉和没食子酸丙酯的测定 |
China National Standards Mi |
English PDF |
| GB/T 6434-2022 |
DeterMination of Crude Fiber Content in Feed 饲料中粗纤维的含量测定 |
China National Standards Mi |
English PDF |
| GB/T 20806-2022 |
DeterMination of neutral detergent fiber (NDF) in feed 饲料中中性洗涤纤维（NDF）的测定 |
China National Standards Mi |
English PDF |
| GB/T 13079-2022 |
DeterMination of total arsenic in feed 饲料中总砷的测定 |
China National Standards Mi |
English PDF |
| GB/T 5686.7-2022 |
Ferromanganese, manganese silicon alloy, ferromanganese nitride and metal manganese DeterMination of sulfur content Infrared absorption method and combustion neutralization titration method 锰铁、锰硅合金、氮化锰铁和金属锰 硫含量的测定 红外线吸收法和燃烧中和滴定法 |
China National Standards Mi |
English PDF |
| GB/T 42082-2022 |
Mining rock drilling rigs and anchor drilling rigs Safety requirements 矿用岩石钻机和锚固钻机 安全要求 |
China National Standards Mi |
English PDF |
| GB/T 11603-2022 |
Method for deterMination of average wool fiber diameter - airflow method 羊毛纤维平均直径测定法 气流法 |
China National Standards Mi |
English PDF |
| GB/T 24218.102-2022 |
Textiles - Test methods for nonwovens - Part 102: DeterMination of tensile elasticity 纺织品 非织造布试验方法 第102部分：拉伸弹性的测定 |
China National Standards Mi |
English PDF |
| GB/T 2910.4-2022 |
Textiles - Quantitative cheMical analysis - Part 4: Mixtures of certain protein fibers with certain other fibers (hypochlorite method) 纺织品 定量化学分析 第4部分：某些蛋白质纤维与某些其他纤维的混合物(次氯酸盐法） |
China National Standards Mi |
English PDF |
| GB/T 42193.7-2022 |
Road vehicles - Communication of eMissions-related diagnostics between the vehicle and external equipment - Part 7: Data link security 道路车辆 车辆和外部设备之间排放相关诊断的通信 第7部分：数据链安全 |
China National Standards Mi |
English PDF |
| GB/T 42193.4-2022 |
Road vehicles - Communication of eMissions-related diagnostics between the vehicle and external equipment - Part 4: External test equipment 道路车辆 车辆和外部设备之间排放相关诊断的通信 第4部分：外部测试设备 |
China National Standards Mi |
English PDF |
| GB/T 42193.3-2022 |
Road vehicles - Communication of eMissions-related diagnostics between the vehicle and external equipment - Part 3: Requirements and use of diagnostic connectors and associated circuits 道路车辆 车辆和外部设备之间排放相关诊断的通信 第3部分：诊断连接器和相关电路的要求及使用 |
China National Standards Mi |
English PDF |
| GB/T 42193.2-2022 |
Road vehicles - Communication of eMissions-related diagnostics between vehicles and external equipment - Part 2: Guidelines for terms, definitions, abbreviations and abbreviations 道路车辆 车辆和外部设备之间排放相关诊断的通信 第2部分：术语、定义、缩写和缩略语的指南 |
China National Standards Mi |
English PDF |
| GB/T 12690.1-2022 |
CheMical analysis methods for non-rare earth impurities in rare earth metals and their oxides—Part 1: Determination of carbon and sulfur content—High frequency-infrared absorption method 稀土金属及其氧化物中非稀土杂质化学分析方法 第1部分：碳、硫量的测定 高频-红外吸收法 |
China National Standards Mi |
English PDF |
| GB/T 42079-2022 |
Basic Requirements for Electric Digital TransMission Lighting Control (DLT) 电力数字传输照明控制（DLT) 基本要求 |
China National Standards Mi |
English PDF |
| GB/T 11987-2022 |
Surfactants - Industrial alkane sulfonates - DeterMination of total alkane sulfonate content 表面活性剂 工业烷烃磺酸盐 总烷烃磺酸盐含量的测定 |
China National Standards Mi |
English PDF |
| GB/T 42134-2022 |
Smart Manufacturing Mass Personalization TerMinology 智能制造 大规模个性化定制 术语 |
China National Standards Mi |
English PDF |
| GB/T 42198-2022 |
Smart Manufacturing Mass Personalization CustoMization Demand Interaction Requirements 智能制造 大规模个性化定制 需求交互要求 |
China National Standards Mi |
English PDF |
| GB/T 42280-2022 |
Chopped basalt fiber for road asphalt Mixture 道路沥青混合料用短切玄武岩纤维 |
China National Standards Mi |
English PDF |
| GB/Z 42285-2022 |
Road vehicles - Guidelines for deterMining the ASIL level of electrical and electronic systems 道路车辆 电子电气系统ASIL等级确定方法指南 |
China National Standards Mi |
English PDF |
| GB/T 42022-2022 |
Essential oils - DeterMination of water content - Karl Fischer method 精油 水分含量的测定 卡尔费休法 |
China National Standards Mi |
English PDF |
| GB/T 13081-2022 |
DeterMination of Mercury in Feed 饲料中汞的测定 |
China National Standards Mi |
English PDF |
| GB/T 14536.15-2022 |
Electric automatic controllers - Part 15: Particular requirements for huMidity sensitive controllers 电自动控制器 第15部分：湿度敏感控制器的特殊要求 |
China National Standards Mi |
English PDF |
| GB/T 42241-2022 |
DeterMination of the Purity of [60]/[70]Fullerenes in Nanotechnology High Performance Liquid Chromatography 纳米技术 [60]/[70]富勒烯纯度的测定 高效液相色谱法 |
China National Standards Mi |
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 Mi |
English PDF |
| GB/T 42193.1-2022 |
Road vehicles - Communication of eMissions-related diagnostics between the vehicle and external equipment - Part 1: General information and use case definitions 道路车辆 车辆和外部设备之间排放相关诊断的通信 第1部分：一般信息和使用案例定义 |
China National Standards Mi |
English PDF |
| GB/T 2847-2022 |
Pozzolanic adMixtures for use in cement 用于水泥中的火山灰质混合材料 |
China National Standards Mi |
English PDF |
| GB/T 7713.2-2022 |
Rules for Writing AcadeMic Papers 学术论文编写规则 |
China National Standards Mi |
English PDF |
| GB/T 42163.1-2022 |
Single-piece cast polyaMide pulleys - Part 1: Elevator pulleys 单体浇铸聚酰胺滑轮 第1部分：电梯滑轮 |
China National Standards Mi |
English PDF |
| GB/T 42209-2022 |
Point-to-point (P2P) signal interface transMission protocol for liquid crystal display 液晶显示屏用点对点（P2P）信号接口 传输协议 |
China National Standards Mi |
English PDF |
| GB/T 5532-2022 |
Animal and vegetable fats and oils - DeterMination of iodine value 动植物油脂 碘值的测定 |
China National Standards Mi |
English PDF |
| GB/T 42208-2022 |
Nanotechnology - Size measurement of nanoparticles in multiphase systems - TransMission electron microscopy imaging 纳米技术 多相体系中纳米颗粒粒径测量 透射电镜图像法 |
China National Standards Mi |
English PDF |
| GB/T 19557.6-2022 |
Guidelines for testing of plant variety specificity (distinguishability), consistency and stability of RaMie 植物品种特异性(可区别性)、一致性和稳定性测试指南 苎麻 |
China National Standards Mi |
English PDF |
| GB/T 42173-2022 |
gerMinated brown rice 发芽糙米 |
China National Standards Mi |
English PDF |
| GB/T 42243-2022 |
General Technical Specifications for Organic Light EMitting Diode (OLED) Televisions 有机发光二极管(OLED)电视机通用技术规范 |
China National Standards Mi |
English PDF |
| GB/T 42010-2022 |
Quality requirements for packaging containers and Milk powder cans 包装容器 奶粉罐质量要求 |
China National Standards Mi |
English PDF |
| GB/T 2659.1-2022 |
Codes of names of countries and regions and their adMinistrative divisions in the world Part 1: Codes of countries and regions 世界各国和地区及其行政区划名称代码 第1部分：国家和地区代码 |
China National Standards Mi |
English PDF |
| GB/T 2659.2-2022 |
Codes of names of countries and regions and their adMinistrative divisions in the world Part 2: Codes of administrative divisions 世界各国和地区及其行政区划名称代码 第2部分：行政区划代码 |
China National Standards Mi |
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 Mi |
English PDF |
| GB/T 41066.3-2022 |
Oil and gas drilling equipment - Offshore oil seMi-submersible drilling platform - Part 3: Operation and inspection 石油天然气钻采设备 海洋石油半潜式钻井平台 第3部分：操作和检验 |
China National Standards Mi |
English PDF |
| GB/T 5275.2-2022 |
Gas analysis - Preparation of calibration gas Mixtures by dynamic method - Part 2: Piston pumps 气体分析 动态法制备校准用混合气体 第2部分：活塞泵 |
China National Standards Mi |
English PDF |
| GB/T 28181-2022 |
Technical requirements for information transMission, exchange and control of public security video surveillance networking system 公共安全视频监控联网系统信息传输、交换、控制技术要求 |
China National Standards Mi |
English PDF |
| GB/T 41953-2022 |
Paints and varnishes - DeterMination of moisture content in coatings - Gas chromatography 色漆和清漆 涂料中水分含量的测定 气相色谱法 |
China National Standards Mi |
English PDF |
| GB/T 42094-2022 |
SwimMing self-locking nuts for aerospace with MJ thread double lug support plate with countersunk head socket 航空航天用带沉头窝的MJ螺纹双耳托板游动自锁螺母 |
China National Standards Mi |
English PDF |
| GB/T 42095-2022 |
SwimMing self-aligning self-locking nuts for MJ thread double-ear brackets for aerospace 航空航天用MJ螺纹双耳托板游动自调心自锁螺母 |
China National Standards Mi |
English PDF |
| GB/T 31392-2022 |
Technical guidelines for Mine water utilization in coal mines 煤矿矿井水利用技术导则 |
China National Standards Mi |
English PDF |
| GB/T 38812.4-2022 |
Direct reduced iron - DeterMination of metallic iron content - Bromine-methanol titration 直接还原铁 金属铁含量的测定 溴-甲醇滴定法 |
China National Standards Mi |
English PDF |
| GB/T 42279-2022 |
Vulcanized or thermoplastic rubber DeterMination of tensile set at constant elongation and determination of tensile set, elongation and creep at constant tensile load 硫化橡胶或热塑性橡胶 在恒定伸长率下测定拉伸永久变形及在恒定拉伸载荷下测定拉伸永久变形、伸长率和蠕变 |
China National Standards Mi |
English PDF |
| GB/T 42278-2022 |
Vulcanized rubber - DeterMination of hot tensile stress 硫化橡胶 热拉伸应力的测定 |
China National Standards Mi |
English PDF |
| GB/T 42162-2022 |
Raw rubber - DeterMination of residual monomers and other volatile low molecular weight compounds by capillary gas chromatography - Thermal desorption (dynamic headspace) method 生橡胶 毛细管气相色谱测定残留单体和其他挥发性低分子量化合物 热脱附（动态顶空）法 |
China National Standards Mi |
English PDF |
| GB/T 42258-2022 |
DeterMination of Fatigue Properties of Flexible Porous Polymer Materials by Constant Deformation Method 柔性多孔聚合物材料 恒定形变法测定疲劳性能 |
China National Standards Mi |
English PDF |
| GB/T 42267-2022 |
DeterMination of compression set of flexible porous polymeric materials under wet conditions 柔性多孔聚合物材料 在潮湿条件下压缩永久变形的测定 |
China National Standards Mi |
English PDF |
| GB/T 39693.8-2022 |
Vulcanized rubber or thermoplastic rubber - DeterMination of hardness - Part 8: Determination of apparent hardness of rubber rollers by Zhao's hardness (P&J) method 硫化橡胶或热塑性橡胶 硬度的测定 第8部分：赵氏硬度（P&J)法测定胶辊的表观硬度 |
China National Standards Mi |
English PDF |
| GB/T 39693.7-2022 |
Vulcanized rubber or thermoplastic rubber - DeterMination of hardness - Part 7: Determination of the apparent hardness of rubber rollers by the Shore hardness method 硫化橡胶或热塑性橡胶 硬度的测定 第7部分：邵氏硬度法测定胶辊的表观硬度 |
China National Standards Mi |
English PDF |
| GB/T 41938-2022 |
Rubber compounding agent - Precipitated hydrated silica - Evaluation method in Mixtures of solution-polymerized styrene-butadiene rubber (S-SBR) and butadiene rubber (BR) 橡胶配合剂 沉淀水合二氧化硅 在溶聚丁苯橡胶(S-SBR)和丁二烯橡胶(BR)混合物中的评价方法 |
China National Standards Mi |
English PDF |
| GB/T 41956-2022 |
DeterMination of fluff amount of carbon fiber tow 碳纤维丝束起毛量的测定 |
China National Standards Mi |
English PDF |
| GB/T 254-2022 |
seMi-refined paraffin 半精炼石蜡 |
China National Standards Mi |
English PDF |
| GB/T 3780.29-2022 |
Carbon black - Part 29: DeterMination of solvent extractables 炭黑 第29部分：溶剂可萃取物的测定 |
China National Standards Mi |
English PDF |
| GB/T 41955-2022 |
Non-opening compression test method for multidirectional laMinates of polymer matrix composites 聚合物基复合材料多向层合板无开孔压缩试验方法 |
China National Standards Mi |
English PDF |
| GB/T 18916.64-2022 |
Water intake quotas - Part 64: Building and sanitary ceraMics 取水定额 第64部分：建筑卫生陶瓷 |
China National Standards Mi |
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 Mi |
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 Mi |
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 Mi |
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 Mi |
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 Mi |
English PDF |
| GB/T 41946-2022 |
Rubber - DeterMination of total sulfur content - Ion chromatography 橡胶 全硫含量的测定 离子色谱法 |
China National Standards Mi |
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 Mi |
English PDF |
| GB/T 41939-2022 |
DeterMination of magnesium content in rubber - Atomic absorption spectrometry 橡胶中镁含量的测定 原子吸收光谱法 |
China National Standards Mi |
English PDF |
| GB/T 41940-2022 |
Rubber - DeterMination of Viscosity and Stress Relaxation with a Rotorless Closed Shear Rheometer 橡胶 用无转子密闭剪切流变仪测定黏度和应力松弛 |
China National Standards Mi |
English PDF |
| GB/T 41941-2022 |
Vulcanized rubber - DeterMination of fatigue crack growth rate 硫化橡胶 疲劳裂纹扩展速率的测定 |
China National Standards Mi |
English PDF |
| GB/T 42122-2022 |
Vulcanized rubber or thermoplastic rubber - DeterMination of abrasion resistance (modified Lamborn abrasion tester method) 硫化橡胶或热塑性橡胶 耐磨性能的测定（改进型兰伯恩磨耗试验机法） |
China National Standards Mi |
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 Mi |
English PDF |
| GB/T 37211.3-2022 |
Methods for cheMical analysis of germanium metal - Part 3: Determination of trace impurity elements - Glow discharge mass spectrometry 金属锗化学分析方法 第3部分:痕量杂质元素的测定 辉光放电质谱法 |
China National Standards Mi |
English PDF |
| GB/T 42274-2022 |
DeterMination of content and distribution of trace elements (magnesium, gallium) in aluminum nitride materials Secondary ion mass spectrometry 氮化铝材料中痕量元素（镁、镓）含量及分布的测定 二次离子质谱法 |
China National Standards Mi |
English PDF |
| GB/T 42263-2022 |
DeterMination of nitrogen content in silicon single crystals - Secondary ion mass spectrometry 硅单晶中氮含量的测定 二次离子质谱法 |
China National Standards Mi |
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 Mi |
English PDF |
| GB/T 42260-2022 |
Lithium iron phosphate electrocheMical performance test cycle life test method 磷酸铁锂电化学性能测试 循环寿命测试方法 |
China National Standards Mi |
English PDF |
| GB/T 42161-2022 |
ElectrocheMical Performance Test of Lithium Iron Phosphate Test Method for First Discharge Specific Capacity and First Charge and Discharge Efficiency 磷酸铁锂电化学性能测试 首次放电比容量及首次充放电效率测试方法 |
China National Standards Mi |
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 Mi |
English PDF |
| GB/T 19721.4-2022 |
Marine Forecast and Warning Issuance Part 4: TsunaMi Warning Issuance 海洋预报和警报发布 第4部分：海啸警报发布 |
China National Standards Mi |
English PDF |
| GB/T 42257-2022 |
ChroMium-erbium co-doped yttrium-scandium-gallium garnet crystal optical and laser performance measurement method 铬铒共掺钇钪镓石榴石晶体光学及激光性能测量方法 |
China National Standards Mi |
English PDF |
| GB/T 42249-2022 |
Technical indicators and calculation methods for comprehensive utilization of Mineral resources 矿产资源综合利用技术指标及其计算方法 |
China National Standards Mi |
English PDF |
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