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发明名称
Direkt oder indirekt geheizte Gluehkathode fuer Elektronenroehren
摘要
申请公布号
DE739644(C)
申请公布日期
1943.10.01
申请号
DE1939S136597D
申请日期
1939.04.02
申请人
SUEDDEUTSCHE TELEFON-APPARATE-, KABEL- UND DRAHTWERKE A.G. TEKADE
发明人
LEIBERT DR. GUSTAV
分类号
H01J1/13
主分类号
H01J1/13
代理机构
代理人
主权项
地址
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