DRILL STEM FOR A PERCUSSION ROCK DRILLING MACHINE,申请号IE19860000977-传众专利搜索

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发明名称	DRILL STEM FOR A PERCUSSION ROCK DRILLING MACHINE
摘要
申请公布号	IE860977(L)	申请公布日期	1986.10.16
申请号	IE19860000977	申请日期	1986.04.15
申请人	ATLAS CAPCO AB	发明人
分类号	E21B17/00;(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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