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发明名称
Verfahren zur Herstellung von elektrischen Entladungsroehren mit Oxydkathode, bei demdie urspruenglich luftbestaendige Kathodenschicht thermisch in Oxyd umgesetzt wird
摘要
申请公布号
DE1015949(B)
申请公布日期
1957.09.19
申请号
DE1956T013002
申请日期
1956.12.17
申请人
TELEFUNKEN G.M.B.H.
发明人
KALLWEIT DR. HERBERT;VEITH DR. KARL
分类号
H01J9/04
主分类号
H01J9/04
代理机构
代理人
主权项
地址
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