A STAFF-LOCATION AND SIGNALLING SYSTEM FOR USE IN MINES,申请号GB19820000413-传众专利搜索

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发明名称	A STAFF-LOCATION AND SIGNALLING SYSTEM FOR USE IN MINES
摘要
申请公布号	GB2091462(B)	申请公布日期	1984.09.12
申请号	GB19820000413	申请日期	1982.01.07
申请人	RUHRKOHLE AG	发明人
分类号	E21F17/18;(IPC1-7):E21F17/18	主分类号	E21F17/18
代理机构		代理人
主权项
地址

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