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发明名称
Verwendung von Goldlegierungen fuer elektrische Kontakte
摘要
申请公布号
DE747830(C)
申请公布日期
1945.01.20
申请号
DE1941S145764D
申请日期
1941.06.17
申请人
发明人
FROEHLICH DR. KARL WILHELM
分类号
C22C5/02;H01H1/023
主分类号
C22C5/02
代理机构
代理人
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地址
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