Improvements in and relating to lighting fitting accessories,申请号GB19480025492-传众专利搜索

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发明名称	Improvements in and relating to lighting fitting accessories
摘要
申请公布号	GB655595(A)	申请公布日期	1951.07.25
申请号	GB19480025492	申请日期	1948.09.30
申请人	SMART & BROWN (ENGINEERS) LIMITED;WILLIAM HENRY SPIVEY	发明人
分类号	F21V21/02	主分类号	F21V21/02
代理机构		代理人
主权项
地址

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