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发明名称
Einrichtung zum Vergleichen mehrerer elektrischer Wechselstromgroessen miteinander
摘要
申请公布号
DE555321(C)
申请公布日期
1932.07.21
申请号
DENDATK116705D
申请日期
申请人
KOCH & STERZEL AKT.-GES.
发明人
分类号
H02J3/42
主分类号
H02J3/42
代理机构
代理人
主权项
地址
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