2020 year China issued GB standards list


	GB/T 20975.33-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 33：Determination of potassium content—Flame atomic absorption spectrometric method 铝及铝合金化学分析方法第33部分：钾含量的测定火焰原子吸收光谱法
	GB/T 23755-2020 Three-phase site-combined power transformer 三相组合式电力变压器
	GB/T 39362-2020 Archiving specification for electronic official document of party and government organs 党政机关电子公文归档规范
	GB/T 39275-2020 Power electronics systems and equipment—Operation conditions and characteristics of active infeed converter (AIC) applications 电力电子系统和设备有源馈电变流器（AIC）应用的运行条件和特性
	GB/T 39254-2020 Additive manufacturing—Evaluation guideline for mechanical properties of metal parts 增材制造金属制件机械性能评价通则
	GB/T 13089-2020 Method for determination of oxazolidinethione in feeds 饲料中噁唑烷硫酮的测定方法
	GB/T 24981.1-2020 Test methods of rare earth long afterglow phosphors—Part 1: Determination of emission dominantpeak and chromaticity coordinates 稀土长余辉荧光粉试验方法第1部分：发射主峰和色品坐标的测定
	GB/T 39370-2020 Leather—Physical and mechanical tests—Determination of surface reflectance 皮革物理和机械试验表面反射性能的测定
	GB/T 25061-2020 Information security technology—XML digital signature syntax and processing specification 信息安全技术 XML数字签名语法与处理规范
	GB/T 39297-2020 Ammonium dinitramide aqueous solution 二硝酰胺铵水溶液
	GB/T 36805.2-2020 Plastics—Determination of tensile properties at high strain rates—Part 2: Direct testing method 塑料高应变速率下的拉伸性能测定第2部分：直接测试法
	GB/T 37363.3-2020 Determination of biocides content of coating materials—Part 3:Determination of triclosan content 涂料中生物杀伤剂含量的测定第3部分：三氯生含量的测定
	GB/T 39157-2020 Classification and definition of the technology readiness levels for targets 靶材技术成熟度等级划分及定义
	GB/T 39487-2020 Test method of tube shear strength for structural foaming adhesives 发泡结构胶粘剂管剪强度试验方法
	GB/T 39141.2-2020 Mineral and sapphire watch-glasses—Part 2：Assembly to the case by adhesive or using a gasket 无机和蓝宝石手表玻璃第2部分：用胶粘或密封圈装到表壳上的配合
	GB/T 25217.9-2020 Methods for test, monitoring and prevention of rock burst—Part 9: Prevention method of water infusion on coal seam 冲击地压测定、监测与防治方法第9部分：煤层注水防治方法
	GB/T 39252-2020 Additive manufacturing—Specification for powder bed fusion process of metal materials 增材制造金属材料粉末床熔融工艺规范
	GB/T 39353-2020 Space data and information transfer systems—Proximity space link protocol—Synchronization and coding sublayer 空间数据与信息传输系统邻近空间链路协议同步和编码子层
	GB/T 39224-2020 Technical specification for used batteries take-back 废旧电池回收技术规范
	GB/T 38480-2020 Determination of antifungal activity for microbial secondary metabolites—Mycelial growth rate method 微生物源抗生素类次生代谢产物抗真菌活性测定菌丝生长速率法

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