
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

專家解讀視頻
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
專家解讀視頻