2021 year China issued GB standards list


	GB/T 26366-2021 Hygienic requirements for chlorine dioxide disinfectant 二氧化氯消毒剂卫生要求
	GB/T 15829-2021 Soft soldering flux -- Classification and requirements 软钎剂分类与性能要求
	GB/T 29166-2021 Petroleum and natural gas industries—Steel drill pipe 石油天然气工业钢制钻杆
	GB/T 26089-2021 Guidelines for instruction of marine diesel engines 船用柴油发动机手册编写要求
	GB/T 25915.1-2021 Cleanrooms and associated controlled environments—Part 1: Classification of air cleanliness by particle concentration 洁净室及相关受控环境第1部分：按粒子浓度划分空气洁净度等级
	GB/T 33521.32-2021 Mechanical vibration—Ground-borne noise and vibration arising from rail systems—Part 32: Measurement of dynamic properties of the ground 机械振动轨道系统产生的地面诱导结构噪声和地传振动第32部分：大地的动态性能测量
	GB/T 40293-2021 Test method for refractive index of infrared optical chalcogenide films 红外硫系光学薄膜折射率测试方法
	GB/T 41123.2-2021 Non-destructive testing—Radiation methods for industrial computed tomography—Part 2:Operation and interpretation 无损检测工业射线计算机层析成像检测第2部分：操作和解释
	GB/T 24807-2021 Electromagnetic compatibility for lifts, escalators and moving walks—Emission 电梯、自动扶梯和自动人行道的电磁兼容发射
	GB/T 41135.1-2021 Current and voltage sensors or detectors, to be used for fault passage indication purposes -- Part 1: General principles and requirements 故障路径指示用电流和电压传感器或探测器?? 第1部分：通用原理和要求
	GB/T 40321-2021 High strength and toughness Al-Zn-Mg-Cu series aluminium alloy plate 高强高韧型Al-Zn-Mg-Cu系铝合金板材
	GB/T 41106.5-2021 Large-scale amusement devices -- Inspection, maintenance and repair -- Part 5: Sort of aquatic rides 大型游乐设施检查、维护保养与修理第5部分：水上类
	GB/T 41106.1-2021 Large-scale amusement devices -- Inspection, maintenance and repair -- Part 1: General 大型游乐设施检查、维护保养与修理第1部分：总则
	GB/T 41038-2021 Energy consumption efficiency evaluation method for entrained-flow coal-water slurry gasification 气流床水煤浆气化能效计算方法
	GB/T 21534-2021 Water saving—Terminology 节约用水术语
	GB/T 40283.3-2021 Automation systems and integration—Interoperability of capability units for manufacturing application solutions—Part 3:Verification and validation of interoperability among capability units 自动化系统与集成制造应用解决方案的能力单元互操作第3部分：能力单元互操作性的验证和确认
	GB/T 41039-2021 The general rules of determing designed coal and checked coal in modern coal chemical technology 现代煤化工项目设计煤种和校核煤种确定通则
	GB/T 41135.2-2021 Current and voltage sensors or detectors, to be used for fault passage indication purposes -- Part 2: System aspects 故障路径指示用电流和电压传感器或探测器?? 第2部分：系统应用
	GB/T 40339-2021 Corrosion of metals and alloys—Guidelines for assessing the significances of stress corrosion cracks detected in service 金属和合金的腐蚀服役中检出的应力腐蚀裂纹的重要性评估导则
	GB/T 40341-2021 High strength and toughness alloy structure steel bars for deep sea oil field drilling and exploiting 深海油田钻采用高强韧合金结构钢棒

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