Improvements in or relating to tubular fluorescent lamps containing thermionic filament electrodes,申请号GB19540008933-传众专利搜索

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发明名称	Improvements in or relating to tubular fluorescent lamps containing thermionic filament electrodes
摘要
申请公布号	GB762790(A)	申请公布日期	1956.12.05
申请号	GB19540008933	申请日期	1954.03.26
申请人	PHILIPS ELECTRICAL INDUSTRIES LIMITED	发明人
分类号	H01J61/50;H01J61/72	主分类号	H01J61/50
代理机构		代理人
主权项
地址

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