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knife dog

A tool that fits around and grips drill rods or any tubular drilling equipment so they can be pulled or lifted from a borehole where workspace in narrow underground openings is too confined to allow the use of a hoisting plug.

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创建者

  • ed.young
  • (Milwaukee, United States)

  •  (V.I.P) 21084 分数
  • 100% positive feedback
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