丹銅&黃銅. 含錫黃銅. 合金種類. C2100. C2200. C2300. C2400. C260S. C2600. C2680. C2801. C4250. 化性成份( % ). 銅:94.0~96.0. 鋅:餘量. 銅:89.0~91.0. 鋅:餘量.
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