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、...
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...
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钠的p...
GB/T 2822-2005.Standard linear dimensions.1范围GB/T 2822规定了0.01 mm~20 000 mm范围内机械制造业中常用的标准尺寸(直径、长度、高度等)系列。GB/T 2822适用...
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...
GB/T 4459.4-2003.Mechanical drawings-Conventional reprensentation of springs.1范围GB/T 4459.4规定了弹簧的表示法。GB/T 4459.4适用于机械制图中弹簧的表示法。...
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 3906规定了3.6 kV~40.5 kV交...
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...
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、...
GB/T 38732-2020.Surface active agents-Test methods of technical alkane sulfonates.1范围GB/T 38732规定了表面活性剂工业烷基磺酸盐的pH值、含水量、游离碱或游离...
