Textiles - Quantitative chemical analysis - Part 18: Mixtures of silk with wool or other animal hair (method using sulfuric acid) (ISO/DIS 1833-18:2020); German and English version prEN ISO 1833-18:2020
Textiles - Quantitative chemical analysis - Part 18: Mixtures of silk with wool or other animal hair (method using sulfuric acid) (ISO 1833-18:2020); German version EN ISO 1833-18:2020— 11 стр.
