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发明名称
ELECTRIC CONTACT MATERIAL
摘要
申请公布号
PL137714(B1)
申请公布日期
1986.07.31
申请号
PL19820234697
申请日期
1982.01.12
申请人
发明人
分类号
C22C5/06;C22C32/00;H01B1/02;H01H1/023;H01H1/0237;(IPC1-7):H01H1/02
主分类号
C22C5/06
代理机构
代理人
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