2021 year China issued GB standards list


	GB/T 10125-2021 Corrosion tests in artificial atmospheres—Salt spray tests 人造气氛腐蚀试验盐雾试验
	GB/T 7731.10-2021 Ferrotungsten—Determination of carbon content—Infrared absorption method 钨铁碳含量的测定红外线吸收法
	GB/T 28004.1-2021 Disposable diapers—Part 1:Disposable diapers for baby 纸尿裤第1部分：婴儿纸尿裤
	GB/T 3480.3-2021 Calculation of load capacity of spur and helical gears—Part 3: Calculation of tooth bending strength 直齿轮和斜齿轮承载能力计算第3部分：轮齿弯曲强度计算
	GB/T 29716.3-2021 Mechanical vibration and shock—Signal processing—Part 3:Methods of time-frequency analysis 机械振动与冲击信号处理第3部分：时频分析方法
	GB/T 40334-2021 Packaging—Accessible design—Information and marking 包装无障碍设计信息和标识
	GB/T 3883.209-2021 Safety of motor-operated hand-held, transportable and garden tools - Part 209: Particular requirements for hand-held tappers and threaders 手持式、可移式电动工具和园林工具的安全第209部分：手持式攻丝机和套丝机的专用要求
	GB/T 7728-2021 Chemical analysis of metallurgical products—General rule for flame atomic absorption spectrometric methods 冶金产品化学分析火焰原子吸收光谱法通则
	GB/T 40335-2021 Non-destructive testing—Leak testing—Tracer gas method 无损检测泄漏检测示踪气体方法
	GB/T 28774-2021 Synchronous belt drives—Belts with T trapezoidal profile system 同步带传动 T型梯形齿同步带
	GB/T 31070.3-2021 Building intercom systems—Part 3:Technical requirements for specific applications 楼寓对讲系统第3部分:特定应用技术要求
	GB/T 10781.1-2021 Quality requirements for baijiu—Part 1:Nongxiangxing baijiu 白酒质量要求第1部分：浓香型白酒
	GB/T 39965-2021 General methods for energy savings pre -assessment 节能量前评估计算方法
	GB/T 24590-2021 Enhanced tubes for efficient heat exchanger 高效换热器用特型管
	GB/T 39794.2-2021 Test method for wind uplift resistance of mental roof—Part 2:Dynamic pressure method 金属屋面抗风掀性能检测方法第2部分：动态压力法
	GB/T 11175-2021 Testing methods for synthetic resin emulsions 合成树脂乳液试验方法
	GB/T 10836-2021 Shipboard multifunctional incinerators 船用多功能焚烧炉
	GB/T 10812-2021 Pierced decoration domestic porcelain 玲珑日用瓷器
	GB/T 9239.12-2021 Mechanical vibration—Rotor balancing—Part 12: Procedures and tolerances for rotors with flexible behaviour 机械振动转子平衡第12部分：具有挠性特性的转子的平衡方法与允差
	GB/T 39809-2021 Measuring method of the energy consumption of flat glass furnace 平板玻璃窑炉能耗测定方法

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