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发明名称
Amplifier
摘要
申请公布号
US1966221(A)
申请公布日期
1934.07.10
申请号
US19310575561
申请日期
1931.11.17
申请人
RADIO CORPORATION OF AMERICA
发明人
RINIA HERRE
分类号
H03F1/08;H03F1/54;H03H7/01
主分类号
H03F1/08
代理机构
代理人
主权项
地址
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