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发明名称
Verfahren zur Herstellung einer elektrischen Entladungsröhre mit scheibenförmiger Kathode und gemäss diesem Verfahren hergestellte Röhre.
摘要
申请公布号
CH273524(A)
申请公布日期
1951.02.15
申请号
CHD273524
申请日期
1948.11.13
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
GLOEILAMPENFABRIEKEN N. V. PHILIPS'
分类号
H01J21/36
主分类号
H01J21/36
代理机构
代理人
主权项
地址
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