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发明名称
Regelung der Verstärkung von Sekundärelektronen-Verstärker-Röhren.
摘要
申请公布号
AT156956(B)
申请公布日期
1939.09.11
申请号
ATD156956
申请日期
1938.03.04
申请人
TELEFUNKEN GESELLSCHAFT FUER DRAHTLOSE TELEGRAPHIE M. B. H.
发明人
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主分类号
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