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发明名称
A COPPER ALLOY
摘要
申请公布号
PL150130(B1)
申请公布日期
1990.04.30
申请号
PL19870269444
申请日期
1987.12.11
申请人
发明人
分类号
C22C;C22C9/02;(IPC1-7):C22C9/02
主分类号
C22C
代理机构
代理人
主权项
地址
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