
En 1049 Textiles - Woven Fabrics - Construction - Methods Of Analysis - Part 2: Determination Of Number Of Threads Per Unit Length
出版:British Standards Institution

专家解读视频
En 1049 Textiles - Woven Fabrics - Construction - Methods Of Analysis - Part 2: Determination Of Number Of Threads Per Unit Length
出版:British Standards Institution
专家解读视频