Improvements in or relating to the fixing or adjustment of lampshades,申请号GB19300014959-传众专利搜索

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发明名称	Improvements in or relating to the fixing or adjustment of lampshades
摘要
申请公布号	GB354822(A)	申请公布日期	1931.08.17
申请号	GB19300014959	申请日期	1930.05.15
申请人	JOSEPH DENMAN WILLIAMS	发明人
分类号	F21V1/00;F21V17/04	主分类号	F21V1/00
代理机构		代理人
主权项
地址

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