BS EN ISO 17751-1:2023 Textiles — Quantitative analysis of cashmere, wool, other specialty animal fibers and their blends Part 1 : Light microscopy method
1970BS EN ISO 17751-1:2023 Textiles — Quantitative analysis of cashmere, wool, other specialty animal fibers and their blends Part 1 : Light microscopy method
2016BS EN ISO 17751-1:2016 Textiles. Quantitative analysis of cashmere, wool, other specialty animal fibers and their blends. Light Microscopy method