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发明名称
Negative feed-back circuit
摘要
申请公布号
US2261356(A)
申请公布日期
1941.11.04
申请号
US19390310492
申请日期
1939.12.22
申请人
RADIO CORPORATION OF AMERICA
发明人
FOSTER DUDLEY E.
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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