Improvements in or relating to artificial daylight lighting units,申请号GB19300016928-传众专利搜索

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发明名称	Improvements in or relating to artificial daylight lighting units
摘要
申请公布号	GB355833(A)	申请公布日期	1931.08.31
申请号	GB19300016928	申请日期	1930.05.31
申请人	DUDLEY WARR KING	发明人
分类号	F21S13/00	主分类号	F21S13/00
代理机构		代理人
主权项
地址

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