
Wrought aluminium and aluminium alloy extruded rods/bars, tubes and profiles; part 5: extruded round, square and hexagonal bars; tolerances on form and dimensions
出版:International Organization for Standardization

专家解读视频
Wrought aluminium and aluminium alloy extruded rods/bars, tubes and profiles; part 5: extruded round, square and hexagonal bars; tolerances on form and dimensions
出版:International Organization for Standardization
专家解读视频