Cathode à chauffage indirect, à filament boudiné et son procédé de fabrication,申请号FR19630950626-传众专利搜索

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发明名称	Cathode à chauffage indirect, à filament boudiné et son procédé de fabrication
摘要
申请公布号	FR1372226(A)	申请公布日期	1964.09.11
申请号	FR19630950626	申请日期	1963.10.15
申请人	N. V. PHILIPS' GLOEILAMPENFABRIEKEN	发明人
分类号	H01J1/22	主分类号	H01J1/22
代理机构		代理人
主权项
地址

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