METHOD FOR CONTROLLING DRILL UNIT AND THE DRILL UNIT,申请号SU19905011713-传众专利搜索

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发明名称	METHOD FOR CONTROLLING DRILL UNIT AND THE DRILL UNIT
摘要
申请公布号	RU2066357(C1)	申请公布日期	1996.09.10
申请号	SU19905011713	申请日期	1990.09.27
申请人	VALTO ILOMYAKI	发明人	VALTO ILOMYAKI
分类号	E21D9/06;E02F5/18;E21B7/06;E21B7/20;E21D9/00;E21D9/087;E21D9/10;E21D9/12;(IPC1-7):E02F5/18	主分类号	E21D9/06
代理机构		代理人
主权项
地址

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