SYSTEM FOR LAYING OUT STRAIGHT-LINE OPERATING DIRECTION OF A MACHINE AND DETERMINING MACHINE RELATIVE POSITION IN RESPECT TO THAT STRAIGHT LINE,FOR USE IN PARTICULAR ON UNDERGROUND MINING MACHINES,申请号PL19850255535-传众专利搜索

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发明名称	SYSTEM FOR LAYING OUT STRAIGHT-LINE OPERATING DIRECTION OF A MACHINE AND DETERMINING MACHINE RELATIVE POSITION IN RESPECT TO THAT STRAIGHT LINE,FOR USE IN PARTICULAR ON UNDERGROUND MINING MACHINES
摘要
申请公布号	PL152833(B1)	申请公布日期	1991.02.28
申请号	PL19850255535	申请日期	1985.09.25
申请人		发明人
分类号	E21B47/02;G01C;G01C3/00;G08C;G08C23/00;(IPC1-7):G08C23/00	主分类号	E21B47/02
代理机构		代理人
主权项
地址

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