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发明名称
DOWNHOLE VIBRATION APPARATUS AND METHOD
摘要
申请公布号
EP2401465(A2)
申请公布日期
2012.01.04
申请号
EP20100706123
申请日期
2010.02.26
申请人
FRANK'S INTERNATIONAL, INC.
发明人
BUYTAERT, JEAN, P.
分类号
E21B7/24
主分类号
E21B7/24
代理机构
代理人
主权项
地址
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