TREA

Screw-and-nut feed mechanisms

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Industry

  • CPC
  • E21B19/081
This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21BEARTH DRILLING E21B19/00Handling rods, casings, tubes or the like outside the borehole

Current Industry

E21B19/081Screw-and-nut feed mechanisms
Industries