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发明名称
Anordnung zum Regeln der Drehzahl von Gleichstrommotoren
摘要
申请公布号
DE508687(C)
申请公布日期
1930.10.01
申请号
DENDATS073235D
申请日期
申请人
SIEMENS-SCHUCKERTWERKE AKT.-GES.
发明人
分类号
H02P7/26
主分类号
H02P7/26
代理机构
代理人
主权项
地址
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