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发明名称
SUPERHETERODYNE RADIO RECEIVER
摘要
申请公布号
CA364178(A)
申请公布日期
1937.02.16
申请号
CAD364178
申请日期
申请人
THE HAZELTINE CORPORATION
发明人
JOHN KELLY JOHNSON
分类号
主分类号
代理机构
代理人
主权项
地址
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