Improvements in connection with miners' electric lamps,申请号GB19370028520-传众专利搜索

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发明名称	Improvements in connection with miners' electric lamps
摘要
申请公布号	GB484557(A)	申请公布日期	1938.05.06
申请号	GB19370028520	申请日期	1937.10.20
申请人	ALBERT GEORGE GULLIFORD	发明人
分类号	F21L4/00;H01R33/08	主分类号	F21L4/00
代理机构		代理人
主权项
地址

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