Improvements in and relating to devices effecting coloured illumination,申请号GB19380023784-传众专利搜索

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发明名称	Improvements in and relating to devices effecting coloured illumination
摘要
申请公布号	GB517976(A)	申请公布日期	1940.02.14
申请号	GB19380023784	申请日期	1938.08.12
申请人	ALFRED HERBERT STOTT	发明人
分类号	F21V9/08;G09F13/00	主分类号	F21V9/08
代理机构		代理人
主权项
地址

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