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经营范围
发明名称
Perfectionnements aux systèmes oscillants pour ondes ultra courtes
摘要
申请公布号
FR902486(A)
申请公布日期
1945.08.31
申请号
FRD902486
申请日期
1944.03.08
申请人
TELEFUNKEN GESELLSCHAFT FU:R DRAHTLOSE TELEGRAPHIE M.B.H.
发明人
分类号
H01J19/80
主分类号
H01J19/80
代理机构
代理人
主权项
地址
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