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发明名称
Indirekt geheizte Kathode für eine elektrische Entladungsröhre und Verfahren zu ihrer Herstellung
摘要
申请公布号
AT266228(B)
申请公布日期
1968.11.11
申请号
AT19670002100
申请日期
1967.03.06
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H01J1/28
主分类号
H01J1/28
代理机构
代理人
主权项
地址
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