Improvements in or relating to lamp units,申请号GB19420003627-传众专利搜索

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发明名称	Improvements in or relating to lamp units
摘要
申请公布号	GB547661(A)	申请公布日期	1942.09.04
申请号	GB19420003627	申请日期	1942.03.18
申请人	ELECTRONIC LABORATORIES, INCORPORATED	发明人
分类号	F21V7/00;H01J61/30	主分类号	F21V7/00
代理机构		代理人
主权项
地址

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