
Copper Alloy Ingots, Brass (Yellow, High Strength) Manganese And Manganese Aluminum Bronze (For Remelting) - Revision A
出版:US Military Specs/Standards/Handbooks

专家解读视频
Copper Alloy Ingots, Brass (Yellow, High Strength) Manganese And Manganese Aluminum Bronze (For Remelting) - Revision A
出版:US Military Specs/Standards/Handbooks
专家解读视频