DRILLING EQUIPMENT FOR PERCUSSIVE DRILLING,申请号EP19860850038-传众专利搜索

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发明名称	DRILLING EQUIPMENT FOR PERCUSSIVE DRILLING
摘要
申请公布号	EP0192622(A3)	申请公布日期	1987.12.09
申请号	EP19860850038	申请日期	1986.02.07
申请人	KOMETA OY	发明人	VESTMAN, MATTI
分类号	E21B17/00;E21B17/042;E21B21/00;(IPC1-7):E21B17/00	主分类号	E21B17/00
代理机构		代理人
主权项
地址

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