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发明名称
Casing alignment tool
摘要
申请公布号
GB0425841(D0)
申请公布日期
2004.12.29
申请号
GB20040025841
申请日期
2004.11.24
申请人
BJ SERVICES COMPANY
发明人
分类号
E21B19/16;E21B19/24
主分类号
E21B19/16
代理机构
代理人
主权项
地址
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