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发明名称
Elektronenroehre fuer sehr kurze Wellen mit konzentrisch ausgebildetem Elektrodensystem
摘要
申请公布号
DE634238(C)
申请公布日期
1936.08.21
申请号
DE1932T041112D
申请日期
1932.07.23
申请人
TELEFUNKEN GESELLSCHAFT FUER DRAHTLOSE TELEGRAPHIE M.B.H.
发明人
KUEHLE DR. WILHELM EBERHARD;HERRIGER FELIX
分类号
H01J25/68
主分类号
H01J25/68
代理机构
代理人
主权项
地址
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