发明名称 Method and apparatus for drill position management
摘要 The invention is of a method and a system for drill position management wherein a drilling unit is mounted on a vehicle through a system of attachment to a frame assembly and position control through the movement of the drilling unit along a track system by the application of a controlled motivating force.
申请公布号 US2004178002(A1) 申请公布日期 2004.09.16
申请号 US20030386381 申请日期 2003.03.11
申请人 KAY BILLY 发明人 KAY BILLY
分类号 E21B7/02;E21B7/04;E21B19/087;(IPC1-7):E21B7/00;E21B19/08 主分类号 E21B7/02
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