
Wrought aluminium and aluminium alloy extruded rods/bars, tubes and profiles; part 3: extruded rectangular bars; tolerances on dimensions and form
出版:International Organization for Standardization

专家解读视频
Wrought aluminium and aluminium alloy extruded rods/bars, tubes and profiles; part 3: extruded rectangular bars; tolerances on dimensions and form
出版:International Organization for Standardization
专家解读视频