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发明名称
Bore positioning method and apparatus
摘要
申请公布号
US3232360(A)
申请公布日期
1966.02.01
申请号
US19630321198
申请日期
1963.11.04
申请人
MOBILE DRILLING COMPANY, INC.
发明人
DICKINSON GEORGE E.
分类号
E21B7/00;E21B7/28
主分类号
E21B7/00
代理机构
代理人
主权项
地址
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