2020 year China issued GB standards list


	GB 9706.217-2020 Medical electrical equipment—Part 2-17: Particular requirements for the basic safety and essential performance of automatically-controlled brachytherapy afterloading equipment 医用电气设备第2-17部分：自动控制式近距离治疗后装设备的基本安全和基本性能专用要求
	GB/T 39509-2020 Specification for healthcare service of health-management 健康管理保健服务规范
	GB/T 24242.2-2020 Non-alloy steel wire rod for conversion to wire —Part 2：Specific requirements for general purpose wire rod 制丝用非合金钢盘条第2部分:一般用途盘条
	GB/T 39520-2020 Test method for determination the residual stress of spring by X-ray diffraction 弹簧残余应力的X射线衍射测试方法
	GB/T 29639-2020 Guidelines for enterprises to develop emergency response plan for work place accidents 生产经营单位生产安全事故应急预案编制导则
	GB/T 19206-2020 Requirements and test methods for organic sulfur compounds used as odorants for natural gas 天然气用有机硫化合物加臭剂的要求和测试方法
	GB 9706.103-2020 Medical electrical equipment—Part 1-3: General requirements for basic safety and essential performance—Collateral Standard: Radiation protection in diagnostic X-ray equipment 医用电气设备第1-3部分：基本安全和基本性能的通用要求并列标准：诊断X射线设备的辐射防护
	GB 9706.260-2020 Medical electrical equipment—Part 2-60: Paticular requirments for the basic safety and essential performance of dental equipment 医用电气设备第2-60部分：牙科设备的基本安全和基本性能专用要求
	GB 9706.263-2020 Medical electrical equipment - Part 2-63: Particular requirements for the basic safety and essential performance of dental extra-oral X-ray equipment 医用电气设备第2-63部分: 口外成像牙科X射线机基本安全和基本性能专用要求
	GB 12708-2020 Colours of light signals on aids to navigation 航标灯光信号颜色
	GB/T 39535-2020 Test method for shore hardness of carbon materials 炭素材料肖氏硬度测定方法
	GB/T 18993.5-2020 Chlorinated poly (vinyl chloride) （PVC-C）piping systems for hot and cold water installations—Part 5：Fitness for the purpose of system 冷热水用氯化聚氯乙烯（PVC-C）管道系统第5部分：系统适用性
	GB/T 39144-2020 Test method for magnesium content in gallium nitride materials—Secondary ion mass spectrometry 氮化镓材料中镁含量的测定二次离子质谱法
	GB/T 16895.21-2020 Low-voltage electrical installations—Part 4–41：Protection for safety—Protection against electric shock 低压电气装置第4-41部分：安全防护电击防护
	GB/T 19473.1-2020 Polybutene (PB) piping systems for hot and cold water installations—Part 1: General 冷热水用聚丁烯（PB）管道系统第1部分：总则
	GB/T 17044-2020 Steel cord conveyor belts—Adhesion strength test of the cover to the core layer 钢丝绳芯输送带覆盖层与带芯层粘合强度试验
	GB/T 19520.19-2020 Mechanical structures for electronic equipment—Dimensions of mechanical structures of the 482.6 mm (19 in) series—Part 3-107: Dimensions of subracks and plug-in units, small form factor 电子设备机械结构 482.6 mm（19 in）系列机械结构尺寸第3-107部分：小型化插箱和插件的尺寸
	GB/T 17888.3-2020 Safety of machinery—Permanent means of access to machinery—Part 3: Stairs, stepladders and guard-rails 机械安全接近机械的固定设施第3部分：楼梯、阶梯和护栏
	GB/T 39152-2020 Test method of the bending stress relaxation for copper and copper alloy 铜及铜合金弯曲应力松弛试验方法
	GB/T 20323-2020 Milling cutters designation —Shank-type and bore-type milling cutters of solid or tipped design or with indexable cutting edges 铣刀代号整体或镶齿结构或带可转位切削刃的带柄和带孔铣刀

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