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发明名称
Directional antenna systems
摘要
申请公布号
US2939140(A)
申请公布日期
1960.05.31
申请号
US19580744104
申请日期
1958.06.24
申请人
TELEFUNKEN G. M. B. H.
发明人
TROOST ALBERT
分类号
G01S3/08;H01Q21/06;H01Q21/24
主分类号
G01S3/08
代理机构
代理人
主权项
地址
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