IMPACT ENHANCING TOOL,申请号EP19980938766-传众专利搜索

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发明名称	IMPACT ENHANCING TOOL
摘要
申请公布号	EP1003954(A1)	申请公布日期	2000.05.31
申请号	EP19980938766	申请日期	1998.08.07
申请人	INTERNATIONAL PETROLEUM EQUIPMENT LIMITED	发明人	FRIIS, NIELS, CHRISTIAN, OLAF
分类号	E21B31/107;(IPC1-7):E21B31/107	主分类号	E21B31/107
代理机构		代理人
主权项
地址

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