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发明名称
Kathodenröhre für Gleichrichtung, Verstärkung und Schwingungserzeugung.
摘要
申请公布号
AT124418(B)
申请公布日期
1931.09.10
申请号
ATD124418
申请日期
1929.10.12
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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