Improvements in electric lighting fittings,申请号GB19520003500-传众专利搜索

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发明名称	Improvements in electric lighting fittings
摘要
申请公布号	GB728055(A)	申请公布日期	1955.04.13
申请号	GB19520003500	申请日期	1952.02.11
申请人	VERITYS LIMITED	发明人	CHAPMAN FRANCIS EDWARD
分类号	F21V15/02;F21V17/00	主分类号	F21V15/02
代理机构		代理人
主权项
地址

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