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发明名称
Selectivity control circuit
摘要
申请公布号
US2750452(A)
申请公布日期
1956.06.12
申请号
US19510216765
申请日期
1951.03.21
申请人
RADIO CORPORATION OF AMERICA
发明人
GOODRICH HUNTER C.
分类号
H03G1/00
主分类号
H03G1/00
代理机构
代理人
主权项
地址
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