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发明名称
Radio horn
摘要
申请公布号
US2650985(A)
申请公布日期
1953.09.01
申请号
US19470772960
申请日期
1947.09.09
申请人
RADIO CORPORATION OF AMERICA
发明人
RUST NOEL MEYER;RAMSAY JOHN FORREST
分类号
H01Q13/02;H01Q15/02;H01Q19/08
主分类号
H01Q13/02
代理机构
代理人
主权项
地址
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