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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 7251.1-2023 |
Low-voltage switchgear and controlgear complete sets Part 1: General provisions 低压成套开关设备和控制设备 第1部分：总则 |
China National Standards Part |
 English PDF |
| GB/T 28712.6-2023 |
Heat exchanger types and basic parameters Part 6: Air-cooled heat exchanger 热交换器型式与基本参数 第6部分：空冷式热交换器 |
China National Standards Part |
English PDF |
| GB/T 28712.5-2023 |
Heat exchanger types and basic parameters Part 5: Spiral plate heat exchanger 热交换器型式与基本参数 第5部分：螺旋板式热交换器 |
China National Standards Part |
English PDF |
| GB/T 28712.4-2023 |
Heat exchanger types and basic parameters Part 4: Thermosiphon reboiler 热交换器型式与基本参数 第4部分：热虹吸式重沸器 |
China National Standards Part |
English PDF |
| GB/T 27698.2-2023 |
Performance test methods for heat exchangers and heat transfer elements Part 2: Heat exchangers 热交换器及传热元件性能测试方法 第2部分：热交换器 |
China National Standards Part |
English PDF |
| GB/T 27021.12-2023 |
Conformity assessment Management system audit and certification body requirements Part 12: Collaborative business relationship management system audit and certification competency requirements 合格评定 管理体系审核认证机构要求 第12部分：协作业务关系管理体系审核与认证能力要求 |
China National Standards Part |
English PDF |
| GB/T 22638.11-2023 |
Test methods for aluminum foil Part 11: Testing of mechanical properties 铝箔试验方法 第11部分：力学性能的测试 |
China National Standards Part |
English PDF |
| GB/T 11064.9-2023 |
Methods for chemical analysis of lithium carbonate, lithium hydroxide monohydrate, and lithium chloride Part 9: Determination of sulfate content Barium sulfate turbidity method 碳酸锂、单水氢氧化锂、氯化锂化学分析方法 第9部分：硫酸根含量的测定 硫酸钡浊度法 |
China National Standards Part |
English PDF |
| GB/T 8151.26-2023 |
Methods for chemical analysis of zinc concentrates Part 26: Determination of silver content Acid dissolution-flame atomic absorption spectrometry 锌精矿化学分析方法 第 26 部分：银含量的测定 酸溶解-火焰原子吸收光谱法 |
China National Standards Part |
English PDF |
| GB/T 6609.35-2023 |
Methods for chemical analysis and determination of physical properties of alumina Part 35: Determination of specific surface area Nitrogen adsorption method 氧化铝化学分析方法和物理性能测定方法 第35部分：比表面积的测定 氮吸附法 |
China National Standards Part |
English PDF |
| GB/T 6609.27-2023 |
Methods for chemical analysis and determination of physical properties of alumina - Part 27: Particle size analysis - Sieving method 氧化铝化学分析方法和物理性能测定方法 第27部分：粒度分析 筛分法 |
China National Standards Part |
English PDF |
| GB/T 6609.25-2023 |
Methods for chemical analysis and determination of physical properties of alumina - Part 25: Determination of loose and tapped density 氧化铝化学分析方法和物理性能测定方法 第25部分：松装和振实密度的测定 |
China National Standards Part |
English PDF |
| GB/T 6150.15-2023 |
Methods for chemical analysis of tungsten concentrates Part 15: Determination of bismuth content Hydride generation atomic fluorescence spectrometry and flame atomic absorption spectrometry 钨精矿化学分析方法 第15部分：铋含量的测定 氢化物发生原子荧光光谱法和火焰原子吸收光谱法 |
China National Standards Part |
English PDF |
| GB/T 6150.12-2023 |
Methods for chemical analysis of tungsten concentrates Part 12: Determination of silica content Silicon-molybdenum blue spectrophotometry and gravimetric method 钨精矿化学分析方法 第12部分：二氧化硅含量的测定 硅钼蓝分光光度法和重量法 |
China National Standards Part |
English PDF |
| GB/T 6150.10-2023 |
Methods for chemical analysis of tungsten concentrates Part 10: Determination of lead content Hydride generation atomic fluorescence spectrometry and flame atomic absorption spectrometry 钨精矿化学分析方法 第10部分：铅含量的测定 氢化物发生原子荧光光谱法和火焰原子吸收光谱法 |
China National Standards Part |
English PDF |
| GB/T 6150.8-2023 |
Methods for chemical analysis of tungsten concentrates Part 8: Determination of molybdenum content Thiocyanate spectrophotometry 钨精矿化学分析方法 第8部分：钼含量的测定 硫氰酸盐分光光度法 |
China National Standards Part |
English PDF |
| GB/T 6150.6-2023 |
Methods for chemical analysis of tungsten concentrates Part 6: Determination of wet water content Gravimetric method 钨精矿化学分析方法 第6部分：湿存水含量的测定 重量法 |
China National Standards Part |
English PDF |
| GB/T 6150.4-2023 |
Chemical analysis methods for tungsten concentrates Part 4: Determination of sulfur content High-frequency induction infrared absorption method and combustion-iodometric method 钨精矿化学分析方法 第4部分：硫含量的测定 高频感应红外吸收法和燃烧-碘量法 |
China National Standards Part |
English PDF |
| GB/T 3884.12-2023 |
Methods for chemical analysis of copper concentrates Part 12: Determination of fluorine and chlorine content Ion chromatography and potentiometric titration 铜精矿化学分析方法 第12部分：氟和氯含量的测定 离子色谱法和电位滴定法 |
China National Standards Part |
English PDF |
| GB/T 42707.1-2023 |
Remote operation and maintenance of CNC machine tools Part 1: General requirements 数控机床远程运维 第1部分：通用要求 |
China National Standards Part |
English PDF |
| GB/T 5905.1-2023 |
Cranes - Inspection and testing specifications - Part 1: General principles 起重机 检验与试验规范 第1部分：通则 |
China National Standards Part |
English PDF |
| GB/T 20147.4-2023 |
Colorimetry Part 4: CIE 1976 L* a* b* color space 色度学 第4部分：CIE 1976 L* a* b*颜色空间 |
China National Standards Part |
English PDF |
| GB/T 20147.3-2023 |
Colorimetry Part 3: CIE Tristimulus Values 色度学 第3部分：CIE三刺激值 |
China National Standards Part |
English PDF |
| GB/T 42699.2-2023 |
Textiles Qualitative and quantitative analysis of proteome of certain animal hair fibers Part 2: Reduced protein peptide analysis Matrix-assisted laser desorption ionization time-of-flight mass spectrometry (MALDI-TOF-MS) method 纺织品 某些动物毛纤维蛋白质组定性和定量分析 第2部分：还原蛋白质多肽分析基质辅助激光解吸电离飞行时间质谱（MALDI-TOF-MS）法 |
China National Standards Part |
English PDF |
| GB/T 42673-2023 |
Non-destructive testing of steel pipes Magnetic Particle testing of surface defects in ferromagnetic seamless and welded steel pipes 钢管无损检测 铁磁性无缝和焊接钢管表面缺欠的磁粉检测 |
China National Standards Part |
English PDF |
| GB/T 20564.14-2023 |
High-strength cold-rolled steel plates and strips for automobiles Part 14: Low-density steel 汽车用高强度冷连轧钢板及钢带 第14部分：低密度钢 |
China National Standards Part |
English PDF |
| GB/T 20564.13-2023 |
High-strength cold-rolled steel plates and strips for automobiles Part 13: Medium manganese steel 汽车用高强度冷连轧钢板及钢带 第13部分：中锰钢 |
China National Standards Part |
English PDF |
| GB/T 713.7-2023 |
Steel plates and strips for pressure equipment Part 7: Stainless steel and heat-resistant steel 承压设备用钢板和钢带 第7部分：不锈钢和耐热钢 |
China National Standards Part |
English PDF |
| GB/T 713.6-2023 |
Steel plates and strips for pressure-bearing equipment Part 6: Quenched and tempered high-strength steels 承压设备用钢板和钢带 第6部分：调质高强度钢 |
China National Standards Part |
English PDF |
| GB/T 713.5-2023 |
Steel plates and strips for pressure equipment Part 5: High manganese steels with specified low temperature properties 承压设备用钢板和钢带 第5部分：规定低温性能的高锰钢 |
China National Standards Part |
English PDF |
| GB/T 713.4-2023 |
Steel plates and strips for pressure equipment Part 4: Nickel alloy steels with specified low temperature properties 承压设备用钢板和钢带 第4部分：规定低温性能的镍合金钢 |
China National Standards Part |
English PDF |
| GB/T 713.3-2023 |
Steel plates and strips for pressure equipment Part 3: Low alloy steels with specified low temperature properties 承压设备用钢板和钢带 第3部分：规定低温性能的低合金钢 |
China National Standards Part |
English PDF |
| GB/T 713.2-2023 |
Steel plates and strips for pressure equipment Part 2: Non-alloy and alloy steels with specified temperature properties 承压设备用钢板和钢带 第2部分：规定温度性能的非合金钢和合金钢 |
China National Standards Part |
English PDF |
| GB/T 713.1-2023 |
Steel plates and strips for pressure equipment Part 1: General requirements 承压设备用钢板和钢带 第1部分：一般要求 |
China National Standards Part |
English PDF |
| GB/T 27700.1-2023 |
Qualified surface acoustic wave filters Part 1: General specifications 有质量评定的声表面波滤波器 第1部分 ：总规范 |
China National Standards Part |
English PDF |
| GB/T 12274.401-2023 |
Qualified Quartz Crystal Oscillators Part 4-1: Blank Detailed Specification Capability Approval 有质量评定的石英晶体振荡器 第4-1部分：空白详细规范 能力批准 |
China National Standards Part |
English PDF |
| GB/T 42660-2023 |
Aerosol Particle number concentration Calibration of condensation particle counters 气溶胶颗粒数量浓度 凝结核颗粒计数器的校准 |
China National Standards Part |
English PDF |
| GB/T 42951-2023 |
Timing instruments. Appearance Parts of watches made of hard materials. General requirements and test methods. 计时仪器 硬材料制造的手表外观件 一般要求和试验方法 |
China National Standards Part |
English PDF |
| GB/T 42818.1-2023 |
Cognitive Accessibility Part 1: General Guidelines 认知无障碍 第1部分：一般指南 |
China National Standards Part |
English PDF |
| GB/T 41170.1-2023 |
Skin protection products for ostomy aids - Test methods - Part 1: Dimensions, surface pH and water absorbency 造口辅助器具的皮肤保护用品 试验方法 第1部分：尺寸、表面pH值和吸水性 |
China National Standards Part |
English PDF |
| GB/T 23220.2-2023 |
Tobacco Leaf Storage and Preservation Methods Part 2: Flake Tobacco 烟叶储存保管方法 第2部分：片烟 |
China National Standards Part |
English PDF |
| GB/T 23220.1-2023 |
Tobacco Leaf Storage and Preservation Methods Part 1: Raw Tobacco 烟叶储存保管方法 第1部分：原烟 |
China National Standards Part |
English PDF |
| GB/T 34033.3-2023 |
Ships and Offshore Technology Risk Assessment of Ship Antifouling Systems Part 3: Methods for Human Health Risk Assessment of Antifouling Active Substances During the Application and Removal of Marine Antifouling Primers 船舶与海上技术 船舶防污底系统风险评估 第3部分：船用防污底涂料应用和去除过程中防污活性物质的人体健康风险评估方法 |
China National Standards Part |
English PDF |
| GB/T 20818.15-2023 |
Industrial process measurement and control - Data structures and elements in process equipment catalogs - Part 15: List of properties (LOPs) for electronic data exchange of level measuring equipment 工业过程测量和控制 过程设备目录中的数据结构和元素 第15部分：物位测量设备电子数据交换用属性列表(LOPs) |
China National Standards Part |
English PDF |
| GB/T 20818.14-2023 |
Industrial process measurement and control - Data structures and elements in process equipment catalogs - Part 14: List of properties (LOP) for electronic data exchange of temperature measuring equipment 工业过程测量和控制 过程设备目录中的数据结构和元素 第14部分：温度测量设备电子数据交换用属性列表(LOP) |
China National Standards Part |
English PDF |
| GB/T 20818.13-2023 |
Industrial process measurement and control. Data structures and elements in process equipment catalogs. Part 13: List of properties (LOP) for electronic data exchange of pressure measuring equipment. 工业过程测量和控制 过程设备目录中的数据结构和元素 第13部分：压力测量设备电子数据交换用属性列表（LOP） |
China National Standards Part |
English PDF |
| GB/T 15969.10-2023 |
Programmable Controller Part 10: XML Open Interaction Format for PLC 可编程序控制器 第10部分：PLC的XML开放交互格式 |
China National Standards Part |
English PDF |
| GB/T 15000.5-2023 |
Standard Sample Working Guidelines Part 5: Internal Development of Quality Control Samples 标准样品工作导则 第5部分：质量控制样品的内部研制 |
China National Standards Part |
English PDF |
| GB/T 42828.3-2023 |
General techniques for improving saline-alkali land Part 3: Biological improvement 盐碱地改良通用技术 第3部分：生物改良 |
China National Standards Part |
English PDF |
| GB/T 42828.2-2023 |
General techniques for improving saline-alkali land Part 2: Improvement of rice fields, ponds, fisheries and agriculture 盐碱地改良通用技术 第2部分：稻田池塘渔农改良 |
China National Standards Part |
English PDF |
| GB/T 42828.1-2023 |
General technology for saline-alkali land improvement Part 1: Iron tailings improvement 盐碱地改良通用技术 第1部分：铁尾砂改良 |
China National Standards Part |
English PDF |
| GB/T 19831.3-2023 |
Oil and gas industry Casing centralizers Part 3: Rigid and semi-rigid centralizers 石油天然气工业 套管扶正器 第3部分：刚性和半刚性扶正器 |
China National Standards Part |
English PDF |
| GB/T 15092.4-2023 |
Appliance switches Part 2-4: Special requirements for independently installed switches 器具开关 第2-4部分：独立安装开关的特殊要求 |
China National Standards Part |
English PDF |
| GB/T 15092.2-2023 |
Appliance switches Part 2-1: Special requirements for cord switches 器具开关 第2-1部分：软线开关的特殊要求 |
China National Standards Part |
English PDF |
| GB/T 16903.2-2023 |
Rules for the representation of graphic symbols for signs Part 2: Common symbol elements for graphic symbols of public information 标志用图形符号表示规则 第2部分：公共信息图形符号的通用符号要素 |
China National Standards Part |
English PDF |
| GB/T 10001.8-2023 |
Public information graphic symbols Part 8: Behavioral indicator symbols 公共信息图形符号 第8部分：行为指示符号 |
China National Standards Part |
English PDF |
| GB/T 10095.2-2023 |
Cylindrical gear ISO tooth surface tolerance classification system Part 2: Definition and allowable value of radial comprehensive deviation 圆柱齿轮 ISO齿面公差分级制 第2部分：径向综合偏差的定义和允许值 |
China National Standards Part |
English PDF |
| GB/T 42952.1-2023 |
Thermoplastic pipes for fluid conveyance - Dimensions and tolerances - Part 1: Metric series 流体输送用热塑性塑料管材 尺寸和公差 第1部分：公制系列 |
China National Standards Part |
English PDF |
| GB/T 42658.4-2023 |
Surface Chemical Analysis Sample Handling, Preparation and Setup Guide Part 4: Reporting information on the origin, preparation, handling and set-up of nanoobjects prior to surface analysis 表面化学分析 样品处理、制备和安装指南 第4部分: 报告表面分析前纳米物体相关的来历、制备、处理和安装信息 |
China National Standards Part |
English PDF |
| GB/T 22461.1-2023 |
Surface chemical analysis Glossary Part 1: General and spectroscopic terminology 表面化学分析 词汇 第1部分：通用术语及谱学术语 |
China National Standards Part |
English PDF |
| GB/T 17421.2-2023 |
General Principles for Machine Tool Inspection Part 2: Determination of Positioning Accuracy and Repeatable Positioning Accuracy of CNC Axis 机床检验通则 第2部分：数控轴线的定位精度和重复定位精度的确定 |
China National Standards Part |
English PDF |
| GB/T 17421.1-2023 |
General principles for inspection of machine tools Part 1: Geometric accuracy of machine tools under no-load or quasi-static conditions 机床检验通则 第1部分：在无负荷或准静态条件下机床的几何精度 |
China National Standards Part |
English PDF |
| GB/T 14660.1-2023 |
CNC vertical coordinate boring machine Part 1: Accuracy inspection 数控立式坐标镗床 第1部分：精度检验 |
China National Standards Part |
English PDF |
| GB/T 42924.4-2023 |
Plastics. Smoke generation. Determination of corrosiveness of combustion streams. Part 4: Dynamic decomposition method using a cone corrosion meter. 塑料 烟雾产生 燃烧流腐蚀性的测定 第4部分:使用锥形腐蚀计的动态分解法 |
China National Standards Part |
English PDF |
| GB/T 42924.1-2023 |
Plastics. Smoke generation. Determination of corrosiveness of combustion streams. Part 1: General terminology and applications. 塑料 烟雾产生 燃烧流腐蚀性的测定 第1部分:通用术语和应用 |
China National Standards Part |
English PDF |
| GB/T 42919.6-2023 |
Plastics - Determination of thermal conductivity and thermal diffusivity - Part 6: Comparative method based on temperature modulation technology 塑料 导热系数和热扩散系数的测定 第6部分：基于温度调制技术的比较法 |
China National Standards Part |
English PDF |
| GB/T 42919.4-2023 |
Plastics - Determination of thermal conductivity and thermal diffusivity - Part 4: Laser flash method 塑料 导热系数和热扩散系数的测定 第4部分:激光闪光法 |
China National Standards Part |
English PDF |
| GB/T 42919.3-2023 |
Plastics - Determination of thermal conductivity and thermal diffusivity - Part 3: Temperature wave analysis method 塑料 导热系数和热扩散系数的测定 第3部分：温度波分析法 |
China National Standards Part |
English PDF |
| GB/T 42919.1-2023 |
Plastics - Determination of thermal conductivity and thermal diffusivity - Part 1: General principles 塑料 导热系数和热扩散系数的测定 第1部分:通则 |
China National Standards Part |
English PDF |
| GB/T 42918.1-2023 |
Plastics - Thermoplastic polyurethanes for molding and extrusion - Part 1: Nomenclature system and basis for classification 塑料 模塑和挤出用热塑性聚氨酯 第1部分：命名系统和分类基础 |
China National Standards Part |
English PDF |
| GB/T 33061.7-2023 |
Plastics - Determination of dynamic mechanical properties - Part 7: Non-resonant torsional vibration method 塑料 动态力学性能的测定 第7部分: 非共振扭转振动法 |
China National Standards Part |
English PDF |
| GB/T 33061.6-2023 |
Plastics - Determination of dynamic mechanical properties - Part 6: Non-resonant shear vibration method 塑料 动态力学性能的测定 第6部分：非共振剪切振动法 |
China National Standards Part |
English PDF |
| GB/T 33061.5-2023 |
Plastics - Determination of dynamic mechanical properties - Part 5: Non-resonant bending vibration method 塑料 动态力学性能的测定 第5部分：非共振弯曲振动法 |
China National Standards Part |
English PDF |
| GB/T 33061.4-2023 |
Plastics - Determination of dynamic mechanical properties - Part 4: Non-resonant tensile vibration method 塑料 动态力学性能的测定 第4部分: 非共振拉伸振动法 |
China National Standards Part |
English PDF |
| GB/T 5758-2023 |
Method for determination of Particle size, effective particle size and uniformity coefficient of ion exchange resin 离子交换树脂粒度、有效粒径和均一系数的测定方法 |
China National Standards Part |
English PDF |
| GB/T 10593.2-2023 |
Measurement methods for environmental parameters of electrical and electronic products Part 2: Salt spray 电工电子产品环境参数测量方法 第2部分：盐雾 |
China National Standards Part |
English PDF |
| GB/T 40261.1-2023 |
Ergonomics of the thermal environment Assessment of the thermal environment in vehicles Part 1: Principles and methods of heat stress assessment and equivalent temperature determination 热环境的人类工效学 交通工具内热环境评价 第1部分:热应激评估原理与方法和等效温度测定 |
China National Standards Part |
English PDF |
| GB/T 22188.4-2023 |
Ergonomic Design of Control Centers Part 4: Workstation Layout and Dimensions 控制中心的人类工效学设计 第4部分：工作站的布局和尺寸 |
China National Standards Part |
English PDF |
| GB/T 23981.2-2023 |
Paints and varnishes - Determination of hiding power - Part 2: Black and white grid method 色漆和清漆 遮盖力的测定 第2部分：黑白格板法 |
China National Standards Part |
English PDF |
| GB/T 42745-2023 |
Information and Documentation Trusted third-Party digital file (archives) warehousing 信息与文献 可信的第三方数字文件（档案）仓储 |
China National Standards Part |
English PDF |
| GB/T 42713-2023 |
Information and Documentation Participant Name Identifier 信息与文献 参与者名称标识符 |
China National Standards Part |
English PDF |
| GB/T 26163.2-2023 |
Information and Documentation Document (Archives) Management Metadata Part 2: Conceptualization and Implementation 信息与文献 文件（档案）管理元数据 第2部分：概念化及实施 |
China National Standards Part |
English PDF |
| GB/T 28782.2-2023 |
Hydraulic transmissions - Measurement technology Part 2: Measurement of mean steady-state pressure in closed circuits 液压传动 测量技术 第2部分：密闭回路中平均稳态压力的测量 |
China National Standards Part |
English PDF |
| GB/T 28782.1-2023 |
Hydraulic transmissions - Measuring technology - Part 1: General principles 液压传动 测量技术 第1部分:通则 |
China National Standards Part |
English PDF |
| GB/T 14034.1-2023 |
Hydraulic transmission connections Metal pipe couplings Part 1: 24° taper 液压传动连接 金属管接头 第1部分：24°锥形 |
China National Standards Part |
English PDF |
| GB/T 18266.5-2023 |
Classification of sports venues Part 5: Classification and assessment of ski resorts 体育场所等级的划分 第5部分：滑雪场所星级划分及评定 |
China National Standards Part |
English PDF |
| GB 7300.504-2023 |
Feed additives-Part 5: Microorganisms Lactobacillus acidophilus 饲料添加剂 第5部分：微生物 嗜酸乳杆菌 |
China National Standards Part |
English PDF |
| GB 7300.503-2023 |
Feed additives-Part 5: Microorganisms Enterococcus faecium 饲料添加剂 第5部分：微生物 屎肠球菌 |
China National Standards Part |
English PDF |
| GB 7300.502-2023 |
Feed additives-Part 5: Microorganisms Lactobacillus plantarum 饲料添加剂 第5部分：微生物 植物乳杆菌 |
China National Standards Part |
English PDF |
| GB/T 17799.2-2023 |
Electromagnetic compatibility - Generic standards - Part 2: Immunity criteria in industrial environments 电磁兼容 通用标准 第2部分：工业环境中的抗扰度标准 |
China National Standards Part |
English PDF |
| GB/T 12604.10-2023 |
Non-destructive testing - Terminology - Part 10: Magnetic memory testing 无损检测 术语 第10部分：磁记忆检测 |
China National Standards Part |
English PDF |
| GB/T 17626.11-2023 |
Electromagnetic compatibility - Testing and measurement techniques - Part 11: Immunity tests for voltage dips, short interruptions and voltage changes for equipment with input current less than or equal to 16 A per phase 电磁兼容 试验和测量技术 第11部分：对每相输入电流小于或等于16 A设备的电压暂降、短时中断和电压变化抗扰度试验 |
China National Standards Part |
English PDF |
| GB/T 14092.2-2023 |
Environmental conditions for mechanical products - Part 2: Cold 机械产品环境条件 第2部分：寒冷 |
China National Standards Part |
English PDF |
| GB/T 14092.1-2023 |
Environmental conditions for mechanical products - Part 1: Damp heat 机械产品环境条件 第1部分：湿热 |
China National Standards Part |
English PDF |
| GB/T 7939.3-2023 |
Hydraulic power connections - Test methods - Part 3: Hose assemblies 液压传动连接 试验方法 第3部分：软管总成 |
China National Standards Part |
English PDF |
| GB/T 41638.3-2023 |
Plastics - Carbon and environmental footprints of bio-based plastics - Part 3: Requirements and guidelines for the quantification of process carbon footprints 塑料 生物基塑料的碳足迹和环境足迹 第3部分：过程碳足迹 量化要求与准则 |
China National Standards Part |
English PDF |
| GB/T 41638.2-2023 |
Plastics - Carbon and environmental footprints of bio-based plastics - Part 2: Carbon footprint of materials - Amount (mass) of CO2 incorporated into polymer molecules from the air 塑料 生物基塑料的碳足迹和环境足迹 第2部分：材料碳足迹 由空气中并入到聚合物分子中CO2的量（质量） |
China National Standards Part |
English PDF |
| GB/T 12604.13-2023 |
Non-destructive testing - Terminology - Part 13: Array ultrasonic testing 无损检测 术语 第13部分：阵列超声检测 |
China National Standards Part |
English PDF |
| GB/T 6683.3-2023 |
Petroleum and related products—Measurement methods and precision of results—Part 3: Monitoring and verification of published precision data for test methods 石油及相关产品 测量方法与结果精密度 第3部分：试验方法已发布精密度数据的监测和验证 |
China National Standards Part |
English PDF |
| GB/T 42534.2-2023 |
Fluid Power Systems and Components Reference Dictionary Specification Part 2: Definitions of Pneumatic Product Classes and Characteristics 流体传动系统及元件 参考词典规范 第2部分：气动产品类与特性的定义 |
China National Standards Part |
English PDF |
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