TREA

Provisional protective covers for working space

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Industry

  • CPC
  • E21D19/00
This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21DSHAFTS TUNNELS GALLERIES LARGE UNDERGROUND CHAMBERS

Current Industry

E21D19/00Provisional protective covers for working space

Sub Industries

E21D19/02for use in longwall working E21D19/04for use in drifting galleries
Industries