ISO1833-21:2019
纺织品定量化学分析第21部分:氯纶、某些莫代尔丙纶、某些弹性纤维和某些其它纤维混纺物(环己酮法)Textiles - Quantitative chemical analysis - Part 21: Mixtures of chlorofibres, certain modacrylics, certain elastanes, acetates, triacetates with certain other fibres (method using cyclohexanone)
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