Leather - Chemical determination of chromic oxide content - Part 3: Quantification by atomic absorption spectrometry (ISO/DIS 5398-3:2017); German and English version prEN ISO 5398-3:2017
Leather - Chemical determination of chromic oxide content - Part 3: Quantification by atomic absorption spectrometry (ISO 5398-3:2018); German version EN ISO 5398-3:2018— 15 стр.