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发明名称
Receiver selectivity and amplification control
摘要
申请公布号
US2051898(A)
申请公布日期
1936.08.25
申请号
US19320642564
申请日期
1932.11.14
申请人
RADIO CORPORATION OF AMERICA
发明人
ROBERTS WALTER VAN B.
分类号
H03J3/06
主分类号
H03J3/06
代理机构
代理人
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地址
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