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发明名称
Quecksilberkontakt fuer Schienenstromschliesser
摘要
申请公布号
DE717259(C)
申请公布日期
1942.02.09
申请号
DE1938D078251D
申请日期
1938.06.21
申请人
FIRMA FRIEDR. WILH. DAUM
发明人
JR. FRIEDRICH WILHELM DAUM
分类号
B61L1/04
主分类号
B61L1/04
代理机构
代理人
主权项
地址
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