TREA

MINING OR QUARRYING

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Industry

  • CPC
  • E21C

Parent Industries

EFIXED CONSTRUCTIONS E21Mining

Current Industry

E21CMINING OR QUARRYING

Sub Industries

E21C1/00Rotary-drilling machines E21C11/00Supports or guides for drilling machines Columns to which the machine is clamped E21C25/00Cutting machines E21C27/00Machines which completely free the mineral from the seam E21C29/00Propulsion of machines for slitting or completely freeing the mineral from the seam E21C3/00Drilling machines with reciprocating tool that is intermittently turned when out of contact with the working face E21C31/00Driving means incorporated in machines for slitting or completely freeing the mineral from the seam E21C33/00Trucks or other devices for transporting machines for slitting or completely freeing the mineral from the seam E21C35/00Miscellaneous items relating to machines for slitting or completely freeing the mineral from the seam E21C37/00Other methods or devices for dislodging with or without loading E21C39/00Devices for testing in situ the hardness or other properties of minerals E21C41/00Methods of underground or surface mining Lay-outs therefor E21C43/00Methods for preparing for the gasification of coal underground E21C45/00Methods of hydraulic mining Hydraulic monitors E21C47/00Machines for obtaining or the removal of materials in open-pit mines E21C49/00Obtaining peat Machines therefor E21C5/00Devices for feeding tool to working face E21C50/00Obtaining minerals from underwater, not otherwise provided for E21C51/00Apparatus for, or methods of, winning materials from extraterrestrial sources E21C7/00Dust eliminating or dust removing while drilling
Industries