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发明名称
SUBTERRANEAN WELLBORE APPARATUS
摘要
申请公布号
CA2617072(A1)
申请公布日期
2003.10.02
申请号
CA20032617072
申请日期
2003.03.20
申请人
BAKER HUGHES INCORPORATED
发明人
HILL, LEO E., JR.;BAYNE, CHRISTIAN E.
分类号
E21B23/06;E21B33/12;E21B43/10
主分类号
E21B23/06
代理机构
代理人
主权项
地址
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