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发明名称
Anordnung zur unmittelbaren Umformung von Wechselstrom einer Frequenz in solchen anderer Frequenz, insbesondere zur Umformung von Drehstrom der Frequenz f in Einphasenstrom der Frequenz f/3
摘要
申请公布号
DE649088(C)
申请公布日期
1937.08.17
申请号
DE1932A066720D
申请日期
1932.07.29
申请人
ALLGEMEINE ELEKTRICITAETS-GESELLSCHAFT
发明人
KETTNER DR.-ING. KARL
分类号
H02M5/00
主分类号
H02M5/00
代理机构
代理人
主权项
地址
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