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| Parson's alloy; Parson's bronze (可锻：57~60Cu,0.2~1Mn,0.6~ 1.2Fe, 1 〜1.5Sn, 0 〜1Al,余量 Zn;铸造：56 ~ 58Cu, 0.2 ~ 0.4Mn, 0.8 ~ 1.1Fe, 0.7 〜1.1Sn, 0.2 〜0.4Al,余量 Zn) | |||
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