Improvements in or relating to lamp shades,申请号GB19490013694-传众专利搜索

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发明名称	Improvements in or relating to lamp shades
摘要
申请公布号	GB669918(A)	申请公布日期	1952.04.09
申请号	GB19490013694	申请日期	1949.05.23
申请人	ALFRED PAGE	发明人
分类号	F21V1/00	主分类号	F21V1/00
代理机构		代理人
主权项
地址

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