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发明名称
Verfahren zum Überziehen eines Heizfadens für eine indirekt geheizte Kathode mit einer dunkelgefärbten Schicht
摘要
申请公布号
AT240988(B)
申请公布日期
1965.06.25
申请号
AT19630005991
申请日期
1963.07.26
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H01J9/08
主分类号
H01J9/08
代理机构
代理人
主权项
地址
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