Improvements in and relating to low pressure mercury vapour lamps employing fluorescent material,申请号GB19480008589-传众专利搜索

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发明名称	Improvements in and relating to low pressure mercury vapour lamps employing fluorescent material
摘要
申请公布号	GB645723(A)	申请公布日期	1950.11.08
申请号	GB19480008589	申请日期	1948.03.24
申请人	ECKO-ENSIGN ELECTRIC LIMITED;JOHN NIGEL ILLINGWORTH EVANS	发明人
分类号	C09K11/76	主分类号	C09K11/76
代理机构		代理人
主权项
地址

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