TREA

Methods or devices for placing filling-up materials in underground workings

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Industry

  • CPC
  • E21F15/00
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

Current Industry

E21F15/00Methods or devices for placing filling-up materials in underground workings

Sub Industries

E21F15/005characterised by the kind or composition of the backfilling material E21F15/02Supporting means E21F15/04Stowing mats Goaf wire netting Partition walls E21F15/06Filling-up mechanically E21F15/08Filling-up hydraulically or pneumatically E21F15/10Hydraulic or pneumatic filling-up machines
Industries