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发明名称
Canalisation tubulaire creuse pour la propagation d'ondes électriques très courtes
摘要
申请公布号
FR891613(A)
申请公布日期
1944.03.13
申请号
FRD891613
申请日期
1943.03.02
申请人
TELEFUNKEN GESELLSCHAFT FU:R DRAHTLOSE TELEGRAPHIE M. B. H.
发明人
分类号
H01P3/12
主分类号
H01P3/12
代理机构
代理人
主权项
地址
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