Improvements in and relating to electric discharge lamps,申请号GB19470004720-传众专利搜索

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发明名称	Improvements in and relating to electric discharge lamps
摘要
申请公布号	GB629958(A)	申请公布日期	1949.10.03
申请号	GB19470004720	申请日期	1947.02.18
申请人	PARK ROYAL SCIENTIFIC INSTRUMENTS LIMITED;RAYMOND DAVIES	发明人
分类号	H01J61/28	主分类号	H01J61/28
代理机构		代理人
主权项
地址

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