TREA

the cutter being shifted by a spring mechanism

Follow

Industry

  • CPC
  • E21B10/325
This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21BEARTH DRILLING E21B10/00Drill bits

Current Industry

E21B10/325the cutter being shifted by a spring mechanism
Industries