Improved ring-shaped reflector element for improving the luminosity of electric lamps,申请号GB19360012333-传众专利搜索

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发明名称	Improved ring-shaped reflector element for improving the luminosity of electric lamps
摘要
申请公布号	GB467941(A)	申请公布日期	1937.06.25
申请号	GB19360012333	申请日期	1936.04.30
申请人	ARCADIUS GUNSBOURG	发明人
分类号	F21V7/00;F21V17/04	主分类号	F21V7/00
代理机构		代理人
主权项
地址

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