Improvements in and relating to miners' flame safety lamps,申请号GB19340025399-传众专利搜索

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发明名称	Improvements in and relating to miners' flame safety lamps
摘要
申请公布号	GB433577(A)	申请公布日期	1935.08.16
申请号	GB19340025399	申请日期	1934.09.04
申请人	THOMAS ANTHONY JONES	发明人
分类号	F21L23/00	主分类号	F21L23/00
代理机构		代理人
主权项
地址

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