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发明名称
Entladungsgefaess zum Zwecke der Gleichrichtung, Verstaerkung oder Erzeugung von Schwingungen
摘要
申请公布号
DE545929(C)
申请公布日期
1932.03.07
申请号
DENDATT034921D
申请日期
申请人
TELEFUNKEN GESELLSCHAFT FUER DRAHTLOSE TELEGRAPHIE M. B. H.
发明人
分类号
H01J1/20
主分类号
H01J1/20
代理机构
代理人
主权项
地址
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