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发明名称
Adapter for low-frequency amplifiers
摘要
申请公布号
US2194534(A)
申请公布日期
1940.03.26
申请号
US19370174315
申请日期
1937.11.13
申请人
RADIO CORPORATION OF AMERICA
发明人
ELDIK PIETER FREDERIK VAN
分类号
H03F3/02
主分类号
H03F3/02
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代理人
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