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发明名称
Einrichtung zur Belueftung von Gleichrichtern mit Hilfe eines von einem regelbaren Wehselstromreihenschlussmotor angetriebenen Ventilators
摘要
申请公布号
DE673693(C)
申请公布日期
1939.03.28
申请号
DE1937S127823D
申请日期
1937.06.30
申请人
SACHSENWERK, LICHT- UND KRAFT-AKT.-GES.
发明人
HARTWAGNER DIPL.-ING. LUDWIG
分类号
H01L23/467;H02K27/04
主分类号
H01L23/467
代理机构
代理人
主权项
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