
Textiles - Quantitative chemical analysis - Part 21: Blends of chlorine fibers, specific modacrylic fibers, specific elastane, acetate, triacetate fibers and other specified fibers (method using cyclohexanone)
出版:Polish Committee for Standardization

专家解读视频
EN ISO 1833-21:2019 - Identical
ISO 1833-21 : 2019 - Identical
EN ISO 1833-21:2019 - Identical
ISO 1833-21 : 2019 - Identical