Improvements in battery holders for electric lamps,申请号GB19380002969-传众专利搜索

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发明名称	Improvements in battery holders for electric lamps
摘要
申请公布号	GB491831(A)	申请公布日期	1938.09.09
申请号	GB19380002969	申请日期	1938.01.27
申请人	ERIC DE FIGUEIREDO	发明人
分类号	F21V21/26;F21V21/28	主分类号	F21V21/26
代理机构		代理人
主权项
地址

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