Improvements in lighting apparatus,申请号GB19450025142-传众专利搜索

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发明名称	Improvements in lighting apparatus
摘要
申请公布号	GB599225(A)	申请公布日期	1948.03.08
申请号	GB19450025142	申请日期	1945.09.27
申请人	LUMI-ARTIS	发明人
分类号	F21S8/00	主分类号	F21S8/00
代理机构		代理人
主权项
地址

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