2020 year China issued GB standards list


	GB/T 19066.2-2020 Composite wave-serrated metal gaskets for pipe flanges一Part 2:Class designated 管法兰用金属波齿复合垫片第2部分：Class系列
	GB 1903.43-2020 National food safety standard - Food nutrition enhancer - Vitamin B12 (Cyanocobalamin) 食品安全国家标准食品营养强化剂氰钴胺
	GB/T 39658-2020 Specifications of public library service for persons with dyslexia 公共图书馆读写障碍人士服务规范
	GB/T 17420-2020 Foliar microelement fertilizer 微量元素叶面肥料
	GB/T 39551.1-2020 Patent navigation guide—Part 1：General principles 专利导航指南第1部分：总则
	GB/T 10241-2020 General specification for electrical resolver 旋转变压器通用技术条件
	GB/T 6096-2020 Fall protection— Performance test methods for fall protection systems 坠落防护安全带系统性能测试方法
	GB/Z 6113.403-2020 Specification for radio disturbance and immunity measuring apparatus and methods—Part 4-3: Uncertainties,statistics and limit modelling—Statistical considerations in the determination of EMC compliance of mass-produced products 无线电骚扰和抗扰度测量设备和测量方法规范第4-3部分：不确定度、统计学和限值建模批量产品的EMC符合性确定的统计考虑
	GB/T 28450-2020 Information technology—Security techniques—Guidelines for information security management systems auditing 信息技术安全技术信息安全管理体系审核指南
	GB/T 29239-2020 Energy efficiency metrics and measurement method for mobile communication equipment—Base station 移动通信设备节能参数和测试方法基站
	GB/T 30024-2020 Cranes—Proof of competence of steel structures 起重机金属结构能力验证
	GB/T 39625-2020 Sensory analysis—Methodology—General guidance for establishing a sensory profile 感官分析方法学建立感官剖面的导则
	GB/T 7251.8-2020 Low-voltage switchgear and controlgear assemblies—Part 8: General technical requirements for intelligent assembly 低压成套开关设备和控制设备第8部分：智能型成套设备通用技术要求
	GB/T 39650-2020 Laboratory animal—Rules for nomenclature of mouse and rat strains 实验动物小鼠、大鼠品系命名规则
	GB/T 20996.2-2020 Performance of high-voltage direct current (HVDC) systems with line-commutated converters—Part 2: Faults and switching 采用电网换相换流器的高压直流系统的性能第2部分：故障和操作
	GB/T 39305-2020 Reclaimed water quality—Determination of fluoride,chloride,nitrite,nitrate,sulfate—Ion chromatography 再生水水质氟、氯、亚硝酸根、硝酸根、硫酸根的测定离子色谱法
	GB/T 39309-2020 Rubber hoses and hose assemblies—Wire- or textile-reinforced single-pressure types for hydraulic applications—Specification 橡胶软管和软管组合件液压用钢丝或织物增强单一压力型规范
	GB/T 39531-2020 Terminology of building components and fittings 建筑构配件术语
	GB/T 39654-2020 Brand evaluation—Principles and fundamentals 品牌评价原则与基础
	GB/T 39304-2020 General technical specification for sample pre-treatment of biological toxicity detection in reclaimed water 再生水生物毒性检测的样品前处理通用技术规范

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