GB/T 2910.21-2009 standard english preview version PDF file download
GB Standard Code
GB/T 2910.21-2009
Standard Category
China National Standards
GB Standard English Title
Textiles - Quantitative chemical analysis - Part 21: Mixtures of chlorofibers, certain modacrylics, certain elastanes, acetates, triacetates and certain other fibers (method using cyclohexanone)
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