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发明名称
Negative feedback amplifier circuit
摘要
申请公布号
US2223161(A)
申请公布日期
1940.11.26
申请号
US19390288520
申请日期
1939.08.05
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
ANDERSON FRITHIOF B.
分类号
H03F1/36
主分类号
H03F1/36
代理机构
代理人
主权项
地址
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