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发明名称
Amplifier
摘要
申请公布号
US2191167(A)
申请公布日期
1940.02.20
申请号
US19360082156
申请日期
1936.05.27
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
EDSON JAMES O.;WILSON IRA G.
分类号
H03F1/36;H03F1/54;H04B1/16
主分类号
H03F1/36
代理机构
代理人
主权项
地址
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