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发明名称
MULTI-CYCLE DOWNHOLE APPARATUS
摘要
申请公布号
EP1554460(A1)
申请公布日期
2005.07.20
申请号
EP20030756582
申请日期
2003.10.17
申请人
SMITH INTERNATIONAL, INC.
发明人
MCGARIAN, BRUCE;TULLOCH, RORY, MCCRAE;GILLES, IAN, ALEXANDER
分类号
E21B21/10;E21B23/00;(IPC1-7):E21B23/00
主分类号
E21B21/10
代理机构
代理人
主权项
地址
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