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发明名称
SUPERHETERODYNE RADIO RECEIVER
摘要
申请公布号
CA378632(A)
申请公布日期
1939.01.03
申请号
CAD378632
申请日期
申请人
RADIO CORPORATION OF AMERICA
发明人
MURRAY G. CLAY
分类号
主分类号
代理机构
代理人
主权项
地址
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