2021 year China issued GB standards list


	GB/T 41123.1-2021 Non-destructive testing -- Radiation methods for industrial computed tomography -- Part 1: Principles, equipment and samples 无损检测工业射线计算机层析成像检测第1部分：原理、设备和样品
	GB/T 41067-2021 Nanotechnologies -- Determination of sulfur, fluorine, chlorine and bromine content in graphene related powder -- Combustion ion chromatography method 纳米技术石墨烯粉体中硫、氟、氯、溴含量的测定燃烧离子色谱法
	GB/T 41115-2021 Non-destructive testing of welds -- Ultrasonic testing -- Use of time-of-flight diffraction technique (TOFD) 焊缝无损检测超声检测衍射时差技术（TOFD）的应用
	GB/T 41107.2-2021 Destructive tests on welds in metallic materials -- Hot cracking tests for weldments -- Arc welding processes -- Part 2: Self-restraint tests 金属材料焊缝破坏性试验焊件的热裂纹试验弧焊方法第2部分：自拘束试验
	GB/T 25684.9-2021 Earth-moving machinery—Safety—Part 9: Requirements for pipelayers 土方机械安全第9部分：吊管机的要求
	GB/T 25684.10-2021 Earth-moving machinery—Safety—Part 10: Requirements for trenchers 土方机械安全第10部分：挖沟机的要求
	GB/T 41106.4-2021 Large-scale amusement devices -- Inspection, maintenance and repair -- Part 4: Sort of lifting rides 大型游乐设施检查、维护保养与修理第4部分：升降类
	GB/T 41138-2021 Product quality information system -- Information classification, sharing and exchange 产品质量信息系统信息分类与共享交换
	GB/T 3098.26-2021 Mechanical properties of fasteners—Flat washers 紧固件机械性能平垫圈
	GB/T 41123.3-2021 Non-destructive testing—Radiation methods for industrial computed tomography—Part 3:Qualification 无损检测工业射线计算机层析成像检测第3部分：验证
	GB/T 41174-2021 Professional sportswear -- Track and field garment 专业运动服装? 田径服
	GB/T 14088-2021 Marine halon fire extinguishing system 船用卤代烷灭火系统
	GB/T 15829-2021 Soft soldering flux -- Classification and requirements 软钎剂分类与性能要求
	GB/T 22437.5-2021 Cranes—Design principles for loads and load combinations—Part 5：Overhead travelling and portal bridge cranes 起重机载荷与载荷组合的设计原则第5部分：桥式和门式起重机
	GB/T 41176-2021 Professional sportswear -- Ski and snowboard wear 专业运动服装? 滑雪服
	GB/T 8100.3-2021 Mounting surfaces of hydraulic valves—Part 3: Pressure-reducing valves, sequence valves, unloading valves, throttle valves and check valves 液压阀安装面第3部分：减压阀、顺序阀、卸荷阀、节流阀和单向阀
	GB/T 8593.1-2021 Earth-moving machinery -- Symbols for operator controls and other displays -- Part 1: Common symbols 土方机械? 司机操纵装置和其他显示装置用符号? 第1部分：通用符号
	GB/T 2449.1-2021 Sulphur for industrial use—Part 1: Solid product 工业硫磺第1部分：固体产品
	GB/T 41108.3-2021 Safety of machinery -- Safety requirements for interlocking devices -- Part 3: Trapped key interlocking devices and systems 机械安全联锁装置的安全要求第3部分：截留钥匙联锁装置及系统
	GB/T 4022.1-2021 Surface grinding machines with horizontal grinding wheel spindle and reciprocating table—Testing of the accuracy—Part 1：Machines with table surface length of up to 1600 mm 卧轴矩台平面磨床精度检验第1部分：工作台面长度至1600mm的机床

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