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发明名称
Directive antenna
摘要
申请公布号
US2145024(A)
申请公布日期
1939.01.24
申请号
US19360058642
申请日期
1936.01.11
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
BRUCE EDMOND
分类号
H01Q21/00
主分类号
H01Q21/00
代理机构
代理人
主权项
地址
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