TREA

Air locks

Follow

Industry

  • CPC
  • E21F1/145
This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS E21F1/00Ventilation of mines or tunnels Distribution of ventilating currents

Current Industry

E21F1/145Air locks
Industries