2021 year China issued GB standards list


	GB/T 25119-2021 Railway applications—Electronic equipment used on rolling stock 轨道交通机车车辆电子装置
	GB/T 41063-2021 Textile glass—Determination of density 玻璃纤维密度的测定
	GB/T 33863.9-2021 OPC unified architecture—Part 9: Alarms and conditions OPC统一架构第9部分：报警和条件
	GB/T 40312-2021 Ferrophosphorus—Determination of phosphorus, silicon, manganese and titanium content—Wavelength dispersive X-ray fluorescence spectrometry method (fused cast bead method) 磷铁磷、硅、锰和钛含量的测定波长色散X射线荧光光谱法（熔铸玻璃片法）
	GB/T 22576.4-2021 Medical laboratories-Requirements for quality and competence- Part 4:Requirements in the field of clinical chemistry examination 医学实验室质量和能力的要求第4部分：临床化学检验领域的要求
	GB/T 28907-2021 Sulfuric acid dew-point corrosion resistance steel plate and strip 耐硫酸露点腐蚀钢板和钢带
	GB/T 37036.4-2021 Information technology—Biometrics used with mobile devices—Part 4：Iris 信息技术移动设备生物特征识别第4部分：虹膜
	GB/T 40091-2021 Requirements for safety measures of relaying protection and security automatic equipment in smart substation 智能变电站继电保护和电网安全自动装置安全措施要求
	GB/T 1614-2021 Barium carbonate for industrial use 工业碳酸钡
	GB/T 51443-2021 Standard for process design of indium recovery 铟冶炼回收工艺设计标准
	GB 55015-2021 {General Code for Building Energy Efficiency and Renewable Energy Utilization} 建筑节能与可再生能源利用通用规范
	GB/T 1615-2021 Carbon disulfide for industrial use 工业二硫化碳
	GB/T 39940-2021 Footwear manufacturing machines—Modular shoe repair equipment—Safety requirements 制鞋机械组合式修鞋机安全要求
	GB/T 4214.9-2021 Test method for noise of household and similar electrical appliances—Particular requirements for fans 家用和类似用途电器噪声测试方法风扇的特殊要求
	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 40077-2021 Reciprocating positive displacement pumps and pump units—Technical requirements 往复式容积泵和泵装置　技术要求
	GB/T 39956.2-2021 Pneumatic fluid power—Electro-pneumatic pressure control valves—Part 2: Test methods to determine main characteristics to include in the supplier's literature 气动电-气压力控制阀第2部分：评定商务文件中应包含的主要特性的试验方法
	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 12975-2021 General specification for synchronous generator in ships 船用同步发电机通用技术条件
	GB/T 41105.3-2021 Non-destructive testing -- Measurement and evaluation of the X-ray tube voltage -- Part 3: Spectrometric method 无损检测? X射线管电压的测量和评价第3部分：能谱法

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