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发明名称
Radio beacon system
摘要
申请公布号
US2014732(A)
申请公布日期
1935.09.17
申请号
US19300473932
申请日期
1930.08.08
申请人
RADIO CORPORATION OF AMERICA
发明人
HANSELL CLARENCE W.
分类号
G01S1/02;G01S19/41
主分类号
G01S1/02
代理机构
代理人
主权项
地址
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