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发明名称
Anordnung zur Erzeugung der zu einer Wechselspannung mit veraenderlicher Amplitude gehoerenden gleichgerichteten Spannung
摘要
申请公布号
DE882615(C)
申请公布日期
1953.07.09
申请号
DE1939R004324D
申请日期
1939.10.31
申请人
RADIO CORPORATION OF AMERICA
发明人
KELOGG EDWARD WASHBURN
分类号
H02M7/00;H03G3/20
主分类号
H02M7/00
代理机构
代理人
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地址
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