GB/T 38039-2019/ISO 18403 :2016.Footwear-Test methods for slide fasteners-Resistance to damage during closure under a lateral force.链牙teeth可彼此相对啮合,为拉链或塑料...
GB/T 36992-2019.Manual interdental brushes.GB/T 36992规定了手动牙间刷的术语和定义、产品分类、要求、试验方法、检验规则.标志.包装、运输和贮存。...
GB/T 19942-2019.Leather and fur-Chemical tests-Determination of banned azo colorants.5.1水,试验用水应符合GB/T6682中三级水的规定。5.2甲醇,色谱纯。5.3乙酸乙酯...
GB/T 13511.3-2019.Assembled spectacles-Part 3 :Single-vision near-vision spectacles.GB/T 13511.3规定了单光老视成镜的要求、测量方法和标志。GB/T 13511.3适用于非...
GB/T 335-2019.Non-self-indicating instrument.GB/T 335规定了非自行指示秤(以下简称“秤”)的术语和定义、产品型号、计量要求、技术要求、试验方法、...
GB/T 38409-2019.Leather- Chemical tests-Determination of N-methyl-2-pyrrolidone(NMP) and N-ethyl-2-pyrrolidone (NEP) content.GB/T 38409规定了皮革及其制品中N-甲基吡咯烷酮...
GB/T 38407-2019.Leather and fur chemicals- -Determination of chromium ( VI ) and the reductive potential for chromium tanning agents.GB/T 38407规定了铬鞣剂中六价铬含量及铬...
GB/T 38403-2019.Leather and fur-Chemical tests-Determination of the preservative (TCMTB,PCMC, OPP, OIT) content: Liquid chromatography.GB/T 38403规定了皮革、毛皮及其制品...
GB/T 38410-2019.Leather chemicals-Determination of tannin content in tanning agent-Filter method.GB/T 38410规定了过滤法测定鞣剂中鞣质含量的方法。GB/T 38410适用于...
GB/T 38406-2019.Leather chemicals-Determination of tannin content in synthetic tanning agents.GB/T 38406规定了合成鞣剂中鞣质含量的测定方法。GB/T 38406适用于各种...