Textiles - Quantitative chemical analysis - Part 4: Mixtures of certain protein and certain other fibres (method using hypochlorite) (ISO/DIS 1833-4:2016); German and English version prEN ISO 1833-4:2016
Textiles - Quantitative chemical analysis - Part 4: Mixtures of certain protein fibres with certain other fibres (method using hypochlorite) (ISO 1833-4:2017); German version EN ISO 1833-4:2017— 9 стр.