UNE EN ISO 1833-21:2011現行
Textiles - Quantitative Chemical Analysis - Part 21: Mixtures Of Chlorofibres, Certain Modacrylics, Certain Elastanes, Acetates, Triacetates And Certain Other Fibres (Method Using Cyclohexanone)
出版：Asociacion Espanola de Normalizacion
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