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发明名称
Desired frequency coupling circuit having undesired frequency cancellation trap located at voltage null point for desired frequency
摘要
申请公布号
US3114889(A)
申请公布日期
1963.12.17
申请号
US19540455826
申请日期
1954.09.14
申请人
RADIO CORPORATION OF AMERICA
发明人
AVINS JACK
分类号
H04N9/64
主分类号
H04N9/64
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代理人
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