TREA

Means or methods for preventing, binding, depositing, or removing dust Preventing explosions or fires

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Industry

  • CPC
  • E21F5/00
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Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS

Current Industry

E21F5/00Means or methods for preventing, binding, depositing, or removing dust Preventing explosions or fires

Sub Industries

E21F5/02by wetting or spraying E21F5/04Spraying barriers E21F5/06Fluids used for spraying E21F5/08Rock dusting of mines Depositing other protective substances E21F5/10Devices for rock dusting E21F5/12Composition of rock dust E21F5/14Fluid barriers or rock dusters made to work by, or at the same time as, shots or explosions E21F5/143Fluid barriers E21F5/146Rock dusters E21F5/16Layers of hygroscopic or other salts deposited on floors, walls, or the like, for binding dust Deposition of such layers E21F5/18Impregnating walls, or the like, with liquids for binding dust E21F5/20Drawing-off or depositing dust
Industries

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Patents Applicationslast 30 patents