Improvements in or relating to sodium vapour electric discharge lamps,申请号GB19570006081-传众专利搜索

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发明名称	Improvements in or relating to sodium vapour electric discharge lamps
摘要
申请公布号	GB861122(A)	申请公布日期	1961.02.15
申请号	GB19570006081	申请日期	1957.02.22
申请人	THE GENERAL ELECTRIC COMPANY LIMITED	发明人	FERGUSON HAROLD MATTHEW;MILES EDWARD ERNEST
分类号	H01J61/32;H01J61/74	主分类号	H01J61/32
代理机构		代理人
主权项
地址

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