兑水 发表于 2009-9-11 10:59:54

ASTM B 140-2001 铜锌铅棒(铅红黄铜或硬青铜).棒材和成型材

B140/B140M-01 Standard Specification for Copper-Zinc-Lead (Red Brass or Hardware Bronze) Rod, Bar, and Shapes
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