DIN EN ISO 17234-1:2015 皮革.皮革染色某种含氮色素的测定化学试验.第1部分:含氮色素衍生某种芳族胺的测定(ISO 17234-1-2015).德文版本EN ISO 17234-1-2015
Leather - Chemical tests for the determination of certain azo colorants in dyed leathers - Part 1: Determination of certain aromatic amines derived from azo colorants (ISO 17234-1:2015); German version EN ISO 17234-1:2015