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发明名称
Schieber fuer regelbare elektrische Widerstaende
摘要
申请公布号
DE633900(C)
申请公布日期
1936.10.17
申请号
DENDATK128812D
申请日期
申请人
GEORG KOLLE
发明人
分类号
H01C1/12
主分类号
H01C1/12
代理机构
代理人
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