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发明名称
Perfectionnements aux antennes et systèmes d'antennes dirigés
摘要
申请公布号
FR862748(A)
申请公布日期
1941.03.13
申请号
FRD862748
申请日期
1940.01.04
申请人
MARCONI'S WIRELESS TELEGRAPH COMPANY LIMITED
发明人
分类号
H01Q11/02
主分类号
H01Q11/02
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