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发明名称
Steuerschaltung zur Regelung von Gleichstrommotoren bei Leonardantrieben
摘要
申请公布号
DE741909(C)
申请公布日期
1943.11.19
申请号
DE1940S140685D
申请日期
1940.04.10
申请人
SIEMENS-SCHUCKERTWERKE AG.
发明人
BURT FRED R.
分类号
H02P7/34
主分类号
H02P7/34
代理机构
代理人
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地址
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