TREA

with axial rotation

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Industry

  • CPC
  • E21B17/073
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Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21BEARTH DRILLING E21B17/00Drilling rods or pipes Flexible drill strings Kellies Drill collars Sucker rods; Cables Casings Tubings

Current Industry

E21B17/073with axial rotation
Industries