TREA

Driving means incorporated in machines for slitting or completely freeing the mineral from the seam

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Industry

  • CPC
  • E21C31/00
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Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21CMINING OR QUARRYING

Current Industry

E21C31/00Driving means incorporated in machines for slitting or completely freeing the mineral from the seam

Sub Industries

E21C31/02for cutting or breaking-down devices E21C31/025by another slitting or extracting member E21C31/04imparting both a rotary and reciprocating motion E21C31/06actuated by an endless cable or chain E21C31/08for adjusting parts of the machines E21C31/10for slewing parts of the machines E21C31/12Component parts
Industries