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发明名称
CONVERTIBLE BAND PASS RADIO RECEIVER
摘要
申请公布号
CA344112(A)
申请公布日期
1934.08.21
申请号
CAD344112
申请日期
申请人
THE RADIO CORPORATION OF AMERICA
发明人
BERNARDUS D. H. TELLEGEN
分类号
主分类号
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代理人
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