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经营范围
发明名称
Zylinderanode fuer Elektronenroehren
摘要
申请公布号
DE562422(C)
申请公布日期
1932.10.25
申请号
DED562422D
申请日期
申请人
TELEFUNKEN GESELLSCHAFT FUER DRAHTLOSE TELEGRAPHIE M.B.H.
发明人
分类号
H01J19/28
主分类号
H01J19/28
代理机构
代理人
主权项
地址
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