DIN EN ISO 1833-21:2011-01
Отменен
Textiles - Quantitative chemical analysis - Part 21: Mixtures of chlorofibres, certain modacrylics, certain elastanes, acetates, triacetates and certain other fibres (method using cyclohexanone) (ISO 1833-21:2006); German version EN ISO 1833-21:2010
— 12 стр.
