TREA

by haulage cable or chain pulling the machine along the working face

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Industry

  • CPC
  • E21C29/14
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Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21CMINING OR QUARRYING E21C29/00Propulsion of machines for slitting or completely freeing the mineral from the seam

Current Industry

E21C29/14by haulage cable or chain pulling the machine along the working face
Industries