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发明名称
CONTROL SYSTEM FOR THE WORKOVER OF OIL WELLS
摘要
申请公布号
EP1144794(A3)
申请公布日期
2002.09.11
申请号
EP19990928157
申请日期
1999.07.01
申请人
ABB OFFSHORE SYSTEMS LIMITED
发明人
JONES, DAVID, JOHN;WINCHESTER, JOHN, NIGEL;STEWART, DAVID, HENRY
分类号
E21B33/035;E21B41/00;(IPC1-7):E21B1/00
主分类号
E21B33/035
代理机构
代理人
主权项
地址
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