GB/T 38557.1-2020.Systems and software engineering-Interface and data exchange-Part 1: Interface specification for enterprise resource planning system

GB/T 38510-2020.Evaluation of self-sealing performance for tyres coated with self-sealing material. 1范围 GB/T 38510规定了涂覆式刺扎自密封轮胎自密封性能的评价要求和试验方法。 GB/T 3

GB/T 38518-2020.Measurement of coating thickness on flexible film substrate. 1范围 GB/T 38518规定了柔性薄膜基体上涂层(包含有机、无机与金属涂层)厚度扫描电子显微镜测量的基本方法及原理、标准样品和仪器设备、操作方

GB/T 20693-2020.Emamectin benzoate technical material. 1范围 GB/T 20693规定了甲氨基阿维菌素苯甲酸盐原药的要求、试验方法、验收、质量保证期以及标志、标签、包装、储运。 GB/T 20693适用于由甲氨基阿维菌素苯甲酸盐及其生产中产生的

GB/T 38539-2020.Technical requirements for application of LED sports lighting. 1范围 GB/T 38539规定了体育场馆照明用LED的术语和定义、一般要求、规格分类要求及灯具、驱动电源和照明控制系统性能要求。 GB/T

GB/T 38515-2020.The method for high temperature mechanical properties of quartz fabric-reinforced resin matrix composite materials. 1范围 GB/T 38515规定了石

GB/T 38515-2020.The method for high temperature mechanical properties of quartz fabric-reinforced resin matrix composite materials. 1范围 GB/T 38515规定了石

GB/T 38515-2020.The method for high temperature mechanical properties of quartz fabric-reinforced resin matrix composite materials. 1范围 GB/T 38515规定了石

GB/T 38529-2020.Requirements of concentration limits for restricted substances in tyres. 1范围 GB/T 38529规定了橡胶轮胎(含内胎、垫带)中不应使用的原料、限用物质及要求、试验方法、试样制备及其判定原则

GB/T 23761-2020.Test method for air-purification performances of photocatalytic materials-Degradation of acetaldehyde ( or formaldehyde). 1范围 GB/T 237

GB/T 70.6-2020.Hexagon socket head cap screws-Fine pitch thread. 1范围 GB/T 70的本部分规定了内六角圆柱头细牙螺钉的型式尺寸.技术条件和标记。 GB/T 70.6适用于螺纹公称直径d=8 mm~36 mm、细牙螺纹、性能等级为8

GB/T 38532-2020.Microbeam analysis-Electron backscatter diffraction-Measurement of average grain size. 1范围 GB/T 38532规定了用电子背散射衍射法(EBSD)对抛光截面进行平均晶粒尺寸的测