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发明名称
Dual beam antenna system
摘要
申请公布号
GB2031655(A)
申请公布日期
1980.04.23
申请号
GB19790031389
申请日期
1979.09.10
申请人
MARCONI CO LTD
发明人
分类号
H01Q3/20;H01Q25/00;(IPC1-7):H01Q3/20;H01Q19/19
主分类号
H01Q3/20
代理机构
代理人
主权项
地址
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