2020 year China issued GB standards list


	GB/T 5801-2020 Rolling bearings—Needle roller bearings with machined rings—Boundary dimensions, geometrical product specifications (GPS) and tolerance values 滚动轴承机制套圈滚针轴承外形尺寸、产品几何技术规范（GPS）和公差值
	GB/T 20975.6-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 6: Determination of cadmium content 铝及铝合金化学分析方法第6部分：镉含量的测定
	GB/T 20283-2020 Information security technology—Guide for the production of protection profiles and security targets 信息安全技术保护轮廓和安全目标的产生指南
	GB/T 20050-2020 Inspection and testing specifications of large-scale amusement device—General principles 大型游乐设施检验检测通用要求
	GB/T 39138.3-2020 Methods for chemical analysis of gold nickel chromium iron silicon boron alloys—Part 3：Determination of chromium, iron, silicon and boron contents—Inductively coupled plasma atomic emission spectrometry 金镍铬铁硅硼合金化学分析方法第3部分：铬、铁、硅、硼含量的测定电感耦合等离子体原子发射光谱法
	GB/T 20818.12-2020 Industrial-process measurement and control—Data structures and elements in process equipment catalogues—Part 12：Lists of properties (LOPs) for flow measuring equipment for electronic data exchange 工业过程测量和控制过程设备目录中的数据结构和元素第12部分：流量测量设备电子数据交换用属性列表（LOPs）
	GB/T 18916.51-2020 Norm of water intake—Part 51：Para-xylene 取水定额第51部分：对二甲苯
	GB/T 20975.21-2020 Methods for chemical analysis of aluminium and aluminium alloy—Part 21: Determination of calcium content 铝及铝合金化学分析方法第21部分：钙含量的测定
	GB 20300-2018 Safety specifications for road transportation vehicle of explosive substance and chemical toxic substance 道路运输爆炸品和剧毒化学品车辆安全技术条件《第1号修改单》
	GB/T 7424.24-2020 Optical fibre cable generic specification—Part 24: Basic optical cable test procedures—Electrical test methods 光缆总规范第24部分：光缆基本试验方法电气试验方法
	GB/T 17888.1-2020 Safety of machinery—Permanent means of access to machinery—Part 1: Choice of fixed means and general requirements of access 机械安全接近机械的固定设施第1部分：固定设施的选择及接近的一般要求
	GB 4789.44-2020 National food safety standard - Microbiological examination of food hygiene - Examination of Vibrio vulnificus 食品安全国家标准食品微生物学检验创伤弧菌检验
	GB/T 7588.1-2020 Safety rules for the construction and installation of lifts—Part 1：Passenger and goods passenger lifts 电梯制造与安装安全规范第1部分：乘客电梯和载货电梯
	GB/T 38814-2020 Steel wire ropes slings—Fatigue testing method 钢丝绳索具疲劳试验方法
	GB 1903.48-2020 National food safety standard - Food nutrition enhancer - Magnesium hydrogen phosphate 食品安全国家标准食品营养强化剂磷酸氢镁
	GB/T 14048.2-2020 Low-voltage switchgear and controlgear—Part 2: Circuit-breakers 低压开关设备和控制设备第2部分：断路器
	GB/T 39137-2020 Determination for the orientation of refractory metal single crystal 难熔金属单晶晶向测定方法
	GB/T 20801.3-2020 Pressure pipng code—Industrial piping—Part 3:Design and calculation 压力管道规范工业管道第3部分：设计和计算
	GB/T 39585-2020 Opto-electronic measurement—Performance requirements and test methods of light distribution measurement system 光电测量配光测试系统的性能要求和检测方法
	GB/T 39530-2020 Thermal spraying—Nanostructured zirconia powder and coating preparation 热喷涂纳米氧化锆粉末及涂层制备工艺技术条件

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