
Copper Alloy Number 260 (Cartridge Brass, 70%); Sheet, Strip, Plate, Bar And Discs - Revision D (Collection)
出版:US Military Specs/Standards/Handbooks

專家解讀視頻
Copper Alloy Number 260 (Cartridge Brass, 70%); Sheet, Strip, Plate, Bar And Discs - Revision D (Collection)
出版:US Military Specs/Standards/Handbooks
專家解讀視頻