Improvements in and relating to illuminating devices,申请号GB19490017446-传众专利搜索

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发明名称	Improvements in and relating to illuminating devices
摘要
申请公布号	GB666344(A)	申请公布日期	1952.02.13
申请号	GB19490017446	申请日期	1949.07.01
申请人	MALCOLM BAKER-SMITH	发明人
分类号	F21V9/10;G09F13/04	主分类号	F21V9/10
代理机构		代理人
主权项
地址

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