TREA

by rotary drills with breaking-down means, e.g. wedge-shaped drills

Follow

Industry

  • CPC
  • E21C27/22
This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21CMINING OR QUARRYING E21C27/00Machines which completely free the mineral from the seam

Current Industry

E21C27/22by rotary drills with breaking-down means, e.g. wedge-shaped drills
Industries