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发明名称
Perfectionnements aux systèmes à faisceau dirigé d'ondes ultra courtes
摘要
申请公布号
FR53193(E)
申请公布日期
1945.09.20
申请号
FRD53193
申请日期
1943.11.05
申请人
TELEFUNKEN GESELLSCHAFT FUER DRAHTLOSE TELEGRAPHIE M.B.H.
发明人
分类号
H01Q13/02
主分类号
H01Q13/02
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