2020 year China issued GB standards list


	GB/T 38955-2020 Carbon contact strips for urban rail transit vehicles 城市轨道交通车辆用炭滑板
	GB/T 38852.2-2020 Industrial-process measurement, control and automation—Evaluation of system properties for the purpose of system assessment—Part 2: Assessment methodology 工业过程测量控制和自动化系统评估中系统特性的评定第2部分：评估方法学
	GB/T 16937-2020 Earth-moving machinery—Operator’s field of view—Test method and performance criteria 土方机械司机视野试验方法和性能准则
	GB/T 38948-2020 Evaluation method for the cracking resistance of asphalt mixture at low temperature 沥青混合料低温抗裂性能评价方法
	GB/T 39082-2020 Test method of vickers hardness testing for resistance spot,projection and seam welds 电阻点焊、凸焊及缝焊接头的维氏硬度试验方法
	GB/T 38981-2020 Sintered-metal injection-moulded materials—Specifications 烧结金属注射成形材料规范
	GB/T 5097-2020 Non-destructive testing—Penetrant testing and magnetic particle testing—Viewing conditions 无损检测渗透检测和磁粉检测观察条件
	GB/T 38876-2020 Test method for access network equipment—10Gbit/s ethernet passive optical network (10G EPON) 接入网设备测试方法 10Gbit/s以太网无源光网络（10G EPON）
	GB/T 9771.4-2020 Single-mode optical fibres for telecommunication—Part 4: Characteristics of a dispersion shifted single-mode optical fibre 通信用单模光纤第4部分：色散位移单模光纤特性
	GB/T 39041-2020 Carbon steel-fiber reinforced plastic clad bars for reinforcement concrete 钢筋混凝土用碳素钢-纤维增强复合材料复合钢筋
	GB/T 39084-2020 Green product assessment-Packings for express service 绿色产品评价快递封装用品
	GB/T 38794-2020 Chemical safety in furniture—Determination of formaldehyde emission 家具中化学物质安全甲醛释放量的测定
	GB/T 39031-2020 Urban public facilities services—Basic information of intelligent street light 城市公共设施服务智能路灯基础信息
	GB/T 38924.5-2020 Environmental test methods for civil small and light unmanned aircraft system—Part 5: Shock test 民用轻小型无人机系统环境试验方法第5部分：冲击试验
	GB/T 38979-2020 Sanitary wares—Test method for flushing noise of toilet 卫生陶瓷坐便器冲洗噪声试验方法
	GB/T 38783-2020 Method of coating thickness determination for precious metal composites by scanning electron microscope 贵金属复合材料覆层厚度的扫描电镜测定方法
	GB/T 16546-2020 General rules for packing, marking, transport, storage and quality certificates of shaped refractory 定形耐火材料包装、标志、运输、储存和质量证明书的一般规定
	GB 15892-2020 Polyaluminium chloride for treatment of drinking water 生活饮用水用聚氯化铝
	GB/T 38933-2020 Cold rolled steel sheet for automobile—Test method of phosphate conversion coatings 汽车用冷轧钢板磷酸盐转化膜试验方法
	GB/T 9771.2-2020 Single-mode optical fibres for telecommunication—Part 2: Characteristics of a cut-off wavelength shifted single-mode optical fibre 通信用单模光纤第2部分：截止波长位移单模光纤特性

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