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发明名称
Systèmes de transmission d'ondes électro-magnétiques à fréquences ultra-élevées
摘要
申请公布号
FR858435(A)
申请公布日期
1940.11.25
申请号
FRD858435
申请日期
1939.07.28
申请人
LE "MATERIEL TELEPHONIQUE" SOCIETE ANONYME
发明人
分类号
H01P1/16
主分类号
H01P1/16
代理机构
代理人
主权项
地址
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