DIN EN ISO 20706-1:2020-06
Действует
Textiles - Qualitative and quantitative analysis of some bast fibres (flax, hemp, ramie) and their blends - Part 1: Fibre identification using microscopy methods (ISO 20706-1:2019, Corrected version 2020-03); German version EN ISO 20706-1:2019
— 38 стр.