TORGUE CONTROLLER FOR ELECTRIC DRILLING SYSTEMS,申请号CS19870001258-传众专利搜索

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发明名称	TORGUE CONTROLLER FOR ELECTRIC DRILLING SYSTEMS
摘要
申请公布号	CS261745(B1)	申请公布日期	1989.02.10
申请号	CS19870001258	申请日期	1987.02.25
申请人	VALAS MILAN,CS;POPELAR DANIEL,CS;MAZAC JOSEF ING.,CS;KLAN LADISLAV,CS;SMELIK BRETISLAV,CS;PAVEL RUDOLF ING.,CS	发明人	VALAS MILAN,CS;POPELAR DANIEL,CS;MAZAC JOSEF ING.,CS;KLAN LADISLAV,CS;SMELIK BRETISLAV,CS;PAVEL RUDOLF ING.,CS
分类号	E21B44/00;G01L3/00;(IPC1-7):G01L3/00	主分类号	E21B44/00
代理机构		代理人
主权项
地址

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