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发明名称
Perfectionnements aux systèmes radio directionnels tels que des systèmes de radio communications
摘要
申请公布号
FR776575(A)
申请公布日期
1935.01.29
申请号
FRD776575
申请日期
1934.07.30
申请人
LE MATERIEL TELEPHONIQUE SOCIETE ANONYME
发明人
分类号
H01Q3/01
主分类号
H01Q3/01
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代理人
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地址
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