Improvements in electric discharge tubes furnished with luminescent material,申请号GB19460013166-传众专利搜索

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发明名称	Improvements in electric discharge tubes furnished with luminescent material
摘要
申请公布号	GB627497(A)	申请公布日期	1949.08.10
申请号	GB19460013166	申请日期	1946.05.01
申请人	PHILIPS LAMPS LIMITED	发明人
分类号	C09K11/08;C09K11/67;C09K11/70	主分类号	C09K11/08
代理机构		代理人
主权项
地址

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