2020 year China issued GB standards list


	GB/T 39482.3-2020 Electrochemical impedance spectroscopy (EIS) on coated and uncoated metallic specimens—Part 3: Processing and analysis of data from dummy cells 涂漆和未涂漆金属试样的电化学阻抗谱（EIS）第3部分：从模拟电解池获得数据的处理和分析
	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
	GB/T 39682-2020 Fine ceramics—Determination of elastic modulus at high temperature or ultra-high temperature—Split ring relative method 精细陶瓷高温和超高温弹性模量的测定缺口环相对法
	GB/T 39710-2020 Polycarbonate / acrylonitrile-butadiene-styrene (PC / ABS) material for charging spot housing of electric vehicle 电动汽车充电桩壳体用聚碳酸酯/丙烯腈-丁二烯-苯乙烯（PC/ABS）专用料
	GB/T 39494-2020 Determination for coating adhesion of rare earth permanent magnetic materials for drive motor of new energy vehicle 新能源汽车驱动电机用稀土永磁材料表面涂镀层结合力的测定
	GB/T 39697.2-2020 Rubber or plastics covered rollers—Specifications—Part 2：Surface characteristics 橡胶或塑料包覆辊规范第2部分：表面特性
	GB/T 19703-2020 In vitro diagnostic medical devices—Measurement of quantities in samples of biological origin—Requirements for certified reference materials and the content of supporting documentation 体外诊断医疗器械生物源性样品中量的测量有证参考物质及支持文件内容的要求
	GB/T 39696-2020 Determination of flowability of fine ceramic powders—Calibrated funnel 精细陶瓷粉末流动性测定标准漏斗法
	GB 50325-2020 Standard for indoor environmental pollution control of civil building engineering 民用建筑工程室内环境污染控制标准
	GB/T 39697.1-2020 Rubber or plastics covered rollers—Specifications—Part 1: Requirements for hardness 橡胶或塑料包覆辊规范第1部分：硬度要求
	GB/T 39676-2020 Cross-border electronic commerce—Electronic document for logistics information and payment information declaration 跨境电子商务物流信息申报和支付信息申报电子单证
	GB/T 39698-2020 Confirmation methods for delivering common Portland cement 通用硅酸盐水泥出厂确认方法
	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 39441-2020 Classification and coding specifications of public credit information 公共信用信息分类与编码规范
	GB/T 39700-2020 Treatment and disposal method for boron mud 硼泥处理处置方法
	GB/T 32538.3-2020 Agricultural vehicles—Mechanical connections on towed vehicles—Part 3: Swivel hitch rings 农业车辆被牵引车辆的机械连接装置第3部分：旋转挂接环
	GB/T 32065.19-2020 Environmental test methods for oceanographic instruments—Part 19 : Immersion test 海洋仪器环境试验方法第19部分：浸渍试验
	GB/T 24352-2020 Graphical symbols for feed processing equipment 饲料加工设备图形符号
	GB/T 39444-2020 General framework for standard system of public credit information 公共信用信息标准总体架构
	GB/T 24523-2020 Metallic materials—Test method for rapid indentation (Brinell type) hardness testing 金属材料快速压入（布氏型）硬度试验方法

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