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发明名称
Directional antenna
摘要
申请公布号
US2540518(A)
申请公布日期
1951.02.06
申请号
US19450627469
申请日期
1945.11.08
申请人
RADIO CORPORATION OF AMERICA
发明人
JR. THOMAS M. GLUYAS,
分类号
H01Q19/19
主分类号
H01Q19/19
代理机构
代理人
主权项
地址
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