GB/T 12729.3-2020.Spices and condiments-Preparation of a ground sample for analysis. 1范围 GB/T 12729的本部分规定了将香辛料和调味品实验室样品制备为分析用粉末试样的一种方法。 GB/T 12729.3适用

GB 27953-2020.General requirements on disinfectant for infectious focus. 1范围 GB 27953规定了用于传染病疫源地消毒的消毒剂原料要求、技术要求、检验方法、使用方法、标签和说明书。 GB 27953适用于对传染病疫源地消毒

GB 38900-2020.Items and methods for safety technology inspection of motor vehicles. 1范围 GB 38900规定了机动车安全技术检验的检验项目、检验方法、检验要求,以及检验结果判定、 处置和资料存档。 GB 3890

GB/T 24637.3-2020.Geometrical product specifications (GPS)-General concepts-Part 3: Toleranced features. 1范围 GB/T 24637的本部分给出了工件提取要素(组成或导出)的缺省定义,它们在GP

GB/T 38731-2020.Surface active agents-Test methods of technical sodium secondary alkylsulphates. 1范围 GB/T 38731规定了表面活性剂工业仲烷基硫酸钠的pH值、含水量、游离碱或游离酸、总碱度、石油

GB/T 38729-2020.Surface active agents-Test methods of technical sodium primary alkylsulphates. 1范围 GB/T 38729规定了表面活性剂工业伯烷基硫酸钠的pH值含水量、游离碱或游离酸、总碱度、石油醚可萃

GB/T 3906-2020.Alternating-current metal-enclosed switchgear and controlgear for rated voltages above 3.6 kV and up to and including 40.5 kV. 1范围 GB/T

GB/T 38722-2020.Surface active agents-Determination of interfacial tension-Drawing up liquid films. 1范围 GB/T 38722规定了用拉起液膜法测定表面活性剂界面张力的试验方法。 GB/T 3872

GB/T 11989-2020.Surface active agents-Test methods of technical sodium alkylarylsulphonates (excluding benzene derivatives). 1范围 GB/T 11989规定了工业烷基芳基磺酸

GB/T 11989-2020.Surface active agents-Test methods of technical sodium alkylarylsulphonates (excluding benzene derivatives). 1范围 GB/T 11989规定了工业烷基芳基磺酸