2021 year China issued GB standards list


	GB/T 18691.5-2021 Agricultural irrigation equipment -- Irrigation valves -- Part 5: Control valves 农业灌溉设备灌溉阀第5部分：控制阀
	GB/T 39982-2021 Water lubricated journal bearings—Test methods of load carrying capacity 水润滑径向滑动轴承承载能力测试方法
	GB/T 21537-2021 Cone rubber fender 锥型橡胶护舷
	GB/T 11313.35-2021 Radio-frequency connectors—Part 35: Sectional specification for 2.92 series R.F connectors 射频连接器第35部分: 2.92系列射频连接器分规范
	GB/T 40300-2021 Microbeam analysis—Analytical electron microscopy—Vocabulary 微束分析分析电子显微学术语
	GB/T 40752-2021 Sepecifications for operation management of orah poverty alleviation project 沃柑产业扶贫项目运营管理规范
	GB/T 41185-2021 Specification of preparation and quality control of reference materials for DNA detection of aquatic animals pathogen -- Plasmid 水生动物病原DNA检测参考物质制备和质量控制规范质粒
	GB/T 36625.3-2021 Smart city-Data fusion-Part 3:Data acquisition specifications 智慧城市数据融合第3部分：数据采集规范
	GB/T 25388.2-2021 Wind turbines generator system—Double-fed converter—Part 2: Test method 风力发电机组双馈式变流器第2部分：试验方法
	GB/T 28847.5-2021 Building automation and control systems—Part 5: Data communication protocol 建筑自动化和控制系统第5部分：数据通信协议
	GB/T 41193-2021 Assessment for fertility of anaerobic digested fertilizer 沼肥肥效评估方法
	GB/T 18638-2021 Diagnostic techniques for Japanese encephalitis 流行性乙型脑炎诊断技术
	GB/T 34077.2-2021 Management specification of electronic government common platform based on cloud computing -- Part 2: Services metrics and valuation 基于云计算的电子政务公共平台管理规范第2部分：服务度量计价
	GB/T 40233-2021 Ergonomics of the thermal environment—Instruments for measuring physical quantities 热环境的人类工效学物理量测量仪器
	GB/T 40242-2021 Meteorological grades for power consuming 用电需求气象条件等级
	GB/T 41012-2021 Technical specifications for collection and recovery of non-ferrous metal contained solid waste 含有色金属固体废物回收利用技术规范
	GB/T 1416-2021 Envelopes 信封
	GB/T 41206-2021 Space environment (natural and artificial) -- Cosmic ray and solar energetic particle penetration inward the magnetosphere -- Method of determination of the effective vertical cut-off rigidity 空间环境（自然和人工）宇宙线和太阳能量粒子穿入磁层有效垂直地磁截止刚度的确定方法
	GB/T 40622-2021 Peony seed oil 牡丹籽油
	GB/T 40316-2021 Welded high strength shaped and round steel tubes for automobile structure 汽车结构用高强度异型及圆形焊接钢管

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