PDF 檔案. 高性能銅合金合金種類C1201 C1220 C1221 C151 C19210 C194 C1441 C14415 C1814 銅:≧99.90 磷: 0.004~0.015 銅:≧99.90 磷: 0.015~0.04 銅:≧99.90 磷: ...
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