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经营范围
发明名称
Verfahren zum Umwandeln von Mehrphasenstrom gegebener Frequenz in Einphasenstrom kleinerer Frequenz unter Vermeidung von Gleichstrom als Zwischenstufe
摘要
申请公布号
DE630513(C)
申请公布日期
1936.05.29
申请号
DE1929L075581D
申请日期
1929.07.03
申请人
DR.-ING. OSKAR LOEBL;RHEINISCH-WESTFAELISCHES ELEKTRICITAETSWERK A.-G.
发明人
分类号
H02M5/48
主分类号
H02M5/48
代理机构
代理人
主权项
地址
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