
Specification for basic dimensions of cones and tubes for winding textile yarns. Cones for cross-wound winding: values of half angles, lengths and large inner diameters
出版:British Standards Institution

专家解读视频
Specification for basic dimensions of cones and tubes for winding textile yarns. Cones for cross-wound winding: values of half angles, lengths and large inner diameters
出版:British Standards Institution
专家解读视频