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发明名称
Amplifying arrangement
摘要
申请公布号
US2120995(A)
申请公布日期
1938.06.21
申请号
US19330652996
申请日期
1933.01.23
申请人
RADIO CORPORATION OF AMERICA
发明人
RIET ABRAHAM VAN DE
分类号
H03F1/04;H03G7/02
主分类号
H03F1/04
代理机构
代理人
主权项
地址
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