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发明名称
Anordnung zur Verbesserung des Leistungsfaktors bei der Nutzbremsschaltung von Einphasenwechselstromkollektormaschinen
摘要
申请公布号
DE679010(C)
申请公布日期
1939.07.27
申请号
DE1937S129584D
申请日期
1937.11.19
申请人
SIEMENS-SCHUCKERTWERKE AKT.-GES.
发明人
KANN HEINRICH
分类号
B60L7/14
主分类号
B60L7/14
代理机构
代理人
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地址
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