Improvements in or relating to miners' flame safety lamps,申请号GB19590016735-传众专利搜索

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发明名称	Improvements in or relating to miners' flame safety lamps
摘要
申请公布号	GB956135(A)	申请公布日期	1964.04.22
申请号	GB19590016735	申请日期	1959.05.15
申请人	COAL INDUSTRY (PATENTS) LIMITED	发明人	RICHARDS GLYN OWEN
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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