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发明名称
Beam antenna
摘要
申请公布号
US2897498(A)
申请公布日期
1959.07.28
申请号
US19570677613
申请日期
1957.08.12
申请人
E. W. FREEMAN
发明人
BYQUIST STANLEY H.
分类号
H01Q1/36;H01Q9/16
主分类号
H01Q1/36
代理机构
代理人
主权项
地址
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