2021 year China issued GB standards list


	GB/T 40670-2021 Guidelines for establishment and development of traditional Chinese medical thesauri 中医药学主题词表编制规则
	GB/T 20864-2021 Rice transplanter—Specification 水稻插秧机技术规范
	GB/T 40773-2021 Technical specification of monitoring and control system for auxiliary facilities in substation 变电站辅助设施监控系统技术规范
	GB/T 40623-2021 Marine anti-static raised floor 船用防静电升高地板
	GB/T 30031-2021 Industrial trucks -- Electromagnetic compatibility 工业车辆电磁兼容性
	GB/T 40420.8-2021 Broadband customer gateway virtualization based on public telecommunication network—Part 8: Interface requirements 基于公用电信网的宽带客户网关虚拟化第8部分：接口要求
	GB/T 28808-2021 Railway applications—Communication, signaling and processing systems—Software for railway control and protection systems 轨道交通通信、信号和处理系统控制和防护系统软件
	GB/T 20186.2-2021 Secondary coating materials used for optical fibre—Part 2: Modified propylene resin 光纤用二次被覆材料第2部分：改性聚丙烯
	GB/T 22431-2021 Container transportation electronic data interchange -- Vessel departure message 集装箱运输电子数据交换船舶离港报文
	GB/T 38479-2021 Determination of chitosan content -- High performance liquid chromatography 壳聚糖含量测定? 高效液相色谱法
	GB/T 12692.2-2021 Petroleum products—Fuels (class F)classification—Part 2:Categories of marine fuels 石油产品燃料（F类）分类第2部分：船用燃料油品种
	GB/T 7363-2021 Test method for polynuclear aromatics in petroleum wax 石油蜡中稠环芳烃试验法
	GB/T 18691.4-2021 Agricultural irrigation equipment—Irrigation valves—Part 4: Air valves 农业灌溉设备灌溉阀第4部分：进排气阀
	GB/T 15972.32-2021 Specifications for optical fibre test methods—Part 32： Measurement methods and test procedures for mechanical characteristics—Coating strippability 光纤试验方法规范第32部分：机械性能的测量方法和试验程序涂覆层可剥性
	GB/T 40420.2-2021 Broadband customer gateway virtualization based on public telecommunication network—Part 2 ：Technology requirements of voice virtualization 基于公用电信网的宽带客户网关虚拟化第2部分：语音虚拟化技术要求
	GB/T 40764-2021 Geographic information—Filter encoding 地理信息过滤编码
	GB/T 41056-2021 Full face tunnel boring machine—Double shield hard rock tunnel boring machine 全断面隧道掘进机双护盾岩石隧道掘进机
	GB/T 41052-2021 Full face tunnel boring machine -- Remote monitoring system 全断面隧道掘进机远程监控系统
	GB/T 40683-2021 Information technology—Wearable devices—Terminology 信息技术穿戴式设备术语
	GB/T 29022-2021 Particle size analysis -- Dynamic light scattering (DLS) 粒度分析动态光散射法(DLS)

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