2020 year China issued GB standards list


	GB/T 28029.12-2020 Electronic railway equipment—Train communication network (TCN)—Part 3-4: Ethernet Consist Network(ECN) 轨道交通电子设备列车通信网络（TCN）第3-4部分：以太网编组网（ECN）
	GB/T 38694-2020 Requirements and test methods of alert for vehicle turnning right 车辆右转弯提示音要求及试验方法
	GB/T 38543-2020 Specification for examination and decision of administrative license items 行政许可审查与决定规范
	GB/T 38695-2020 Technical specification for ballastless track of urban rail transit 城市轨道交通无砟轨道技术条件
	GB/T 38726-2020 Specifications for information exchange of express items in air transport 快件航空运输信息交换规范
	GB/T 18920-2020 The reuse of urban recycling water—Water quality standard for urban miscellaneous use 城市污水再生利用城市杂用水水质
	GB/T 38611-2020 Office furniture—Office work chairs—Test methods for the determination of stability, strength and durability 办公家具办公工作椅稳定性、强度和耐久性测试方法
	GB/T 36702.2-2020 Irrigation equipment—Safety devices for chemigation—Part 2: Chemigation valve assemblies from DN 75（3〞） to DN 350（14〞）灌溉设备化学灌溉用安全装置第2部分：DN 75（3〞）至 DN 350（14〞）的化学灌溉阀组件
	GB/T 16857.901-2020 Geometrical product specifications (GPS)—Acceptance and reverification tests for coordinate measuring machines (CMM)—Part 901: CMMs with multiple imaging probing system 产品几何技术规范（GPS）坐标测量机的验收检测和复检检测第901部分：配置多影像探测系统的坐标测量机
	GB/T 38461-2020 Blow mould for PET bottle in food field 食品包装用PET瓶吹瓶成型模具
	GB/T 38551-2020 Identification of plant varieties—MNP marker method 植物品种鉴定 MNP标记法
	GB/T 38530-2020 Town liquefied natural gas (LNG) gasification supply installations 城镇液化天然气（LNG）气化供气装置
	GB/T 28029.6-2020 Electronic railway equipment—Train communication network (TCN)—Part 2-5: Ethernet Train Backbone（ETB）轨道交通电子设备列车通信网络（TCN）第2-5部分：以太网列车骨干网（ETB）
	GB/T 11251-2020 Alloy structural steel plate and strip 合金结构钢钢板及钢带
	GB/T 38502-2020 Test method for bactericidal effect of disinfectant in laboratory 消毒剂实验室杀菌效果检验方法
	GB/T 38442-2020 General constructions rules of gas burning appliances for domestic use 家用燃气燃烧器具结构通则
	GB/T 16900.2-2020 Rules for the presentation of graphical symbols—Part 2: Methods for testing comprehensibility 图形符号表示规则第2部分：理解度测试方法
	GB/T 38603-2020 Safety and control devices for gas burners and gas-burning appliances—Particular requirements—Electronic controller 燃气燃烧器和燃烧器具用安全和控制装置特殊要求电子控制器
	GB/T 26548.4-2020 Hand-held portable power tools—Test methods for evaluation of vibration emission—Part 4:Straight grinders 手持便携式动力工具振动试验方法第4部分：直柄式砂轮机
	GB/T 23605-2020 Determination of β transus temperature of titanium alloys 钛合金β转变温度测定方法

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