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发明名称
Zinnfreie Kupferlegierung
摘要
申请公布号
DE722597(C)
申请公布日期
1942.07.14
申请号
DE1937P074989D
申请日期
1937.03.28
申请人
CARL PIEL
发明人
PIEL CARL
分类号
C22C9/04
主分类号
C22C9/04
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