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发明名称
SUPERHETERODYNE RADIO RECEIVER SWITCH
摘要
申请公布号
CA340012(A)
申请公布日期
1934.03.13
申请号
CAD340012
申请日期
申请人
THE CANADIAN GENERAL ELECTRIC COMPANY
发明人
HORACE C. ALLEN
分类号
主分类号
代理机构
代理人
主权项
地址
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