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发明名称
Directional antenna
摘要
申请公布号
GB653405(A)
申请公布日期
1951.05.16
申请号
GB19470035056
申请日期
1947.12.31
申请人
JOSEF BRIZA
发明人
分类号
H01Q11/06
主分类号
H01Q11/06
代理机构
代理人
主权项
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