
COPPER ALLOY INGOTS, BRASS (YELLOW, HIGH STRENGTH) MANGANESE AND MANGANESE ALUMINUM BRONZE (FOR REMELTING)
出版:US Military Specs/Standards/Handbooks

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COPPER ALLOY INGOTS, BRASS (YELLOW, HIGH STRENGTH) MANGANESE AND MANGANESE ALUMINUM BRONZE (FOR REMELTING)
出版:US Military Specs/Standards/Handbooks
专家解读视频