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发明名称
Procédé pour recouvrir le filament d'une cathode à chauffage indirect d'une couche isolante de couleur sombre
摘要
申请公布号
FR1341854(A)
申请公布日期
1963.11.02
申请号
FR19620919007
申请日期
1962.12.18
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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