2020 year China issued GB standards list


	GB/T 38874.3-2020 Tractors and machinery for agriculture and forestry—Safety-related parts of control systems—Part 3: Series development，hardware and software 农林拖拉机和机械控制系统安全相关部件第3部分：软硬件系列开发
	GB/T 38826-2020 Technical requirements for IPTV media delivery system—General requirements IPTV媒体交付系统技术要求总体要求
	GB/T 38881-2020 Non-destructive testing—Cloud-testing—General principles 无损检测云检测总则
	GB/T 38924.7-2020 Environmental test methods for civil small and light unmanned aircraft system—Part 7: Humidity test 民用轻小型无人机系统环境试验方法第7部分：湿热试验
	GB/T 20975.14-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 14：Determination of nickel content 铝及铝合金化学分析方法第14部分：镍含量的测定
	GB/T 17360-2020 Microbeam analysis—Method of quantitative determination for low contents of silicon and manganese in steels using electron probe microanalyzer 微束分析钢中低含量硅、锰的电子探针定量分析方法
	GB/T 24328.10-2020 Tissue paper and tissue products—Part 10: Determination of tensile strength of perforated lines and calculation of perforation efficiency 卫生纸及其制品第10部分：打孔线抗张强度的测定及打孔效率的计算
	GB/T 8763-2020 Test methods for gas absorption characteristic of non-evaporation gettering materials and products 非蒸散型吸气材料及制品吸气性能测试方法
	GB/T 38964-2020 Isothermal forging for titanium-alloy—Technological specification 钛合金等温锻造工艺规范
	GB/T 20111.5-2020 Electrical insulation systems—Procedures for thermal evaluation—Part 5: Applications with a designed life of 5000h or less 电气绝缘系统热评定规程第5部分:设计寿命5000h及以下的应用
	GB/T 38896-2020 Non-destructive testing—Integrated non-destructive testing—General principles 无损检测集成无损检测总则
	GB/T 39029-2020 Technical specification of efficacy evaluation for removing of heavy metal by biological products 生物产品去除重金属功效评价技术规范
	GB/T 38992-2020 General resource of military and civilian—Classification and representations of semantic relations 军民通用资源语义关系分类与表示
	GB/T 20671.5-2020 Classification system and test methods for nonmetallic gasket materials—Part 5: Standard test method for creep relaxation of gasket materials 非金属垫片材料分类体系及试验方法第5部分：垫片材料蠕变松弛率试验方法
	GB/T 38927-2020 Technical specification for producing methanol from coke-oven gas 焦炉煤气制取甲醇技术规范
	GB/T 38996-2020 General requirements for the flight control system of civil small and light fixed wing unmanned aircraft 民用轻小型固定翼无人机飞行控制系统通用要求
	GB/T 15545-2020 General rules for packing, marking, transport, storage and quality certificates of unshaped refractory 不定形耐火材料包装、标志、运输、储存和质量证明书的一般规定
	GB/T 24328.12-2020 Tissue paper and tissue products—Part 12: Determination of optical properties—Determination of opacity—Diffuse reflectance method 卫生纸及其制品第12部分：光学性能的测定不透明度的测定漫反射法
	GB/T 38870-2020 General specifications of slicing robots system 切割机器人系统通用技术条件
	GB/T 9771.3-2020 Single-mode optical fibres for telecommunication—Part 3: Characteristics of an extended wavelength band dispersion unshifted single-mode optical fibre 通信用单模光纤第3部分：波长段扩展的非色散位移单模光纤特性

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