Improvements in, or relating to, electric lamps,申请号GB19390026723-传众专利搜索

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发明名称	Improvements in, or relating to, electric lamps
摘要
申请公布号	GB532927(A)	申请公布日期	1941.02.03
申请号	GB19390026723	申请日期	1939.09.27
申请人	ISABELLA LAURIE;ELLEN EASTON LAURIE	发明人
分类号	F21V11/00;F21V11/16;F21V14/08	主分类号	F21V11/00
代理机构		代理人
主权项
地址

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