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发明名称
Antennes directives
摘要
申请公布号
FR858439(A)
申请公布日期
1940.11.25
申请号
FRD858439
申请日期
1939.07.28
申请人
LE MATERIEL TELEPHONIQUE SOCIETE ANONYME
发明人
分类号
H01Q7/00
主分类号
H01Q7/00
代理机构
代理人
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地址
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