TREA

Machine and its planing tool making alternative step-wise movements along the working face

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Industry

  • CPC
  • E21C27/40
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Parent Industries

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

Current Industry

E21C27/40Machine and its planing tool making alternative step-wise movements along the working face
Industries