TREA

Preventing exhaust air from the drill motor from blowing-off towards the working face

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Industry

  • CPC
  • E21B21/18
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Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21BEARTH DRILLING E21B21/00Methods or apparatus for flushing boreholes

Current Industry

E21B21/18Preventing exhaust air from the drill motor from blowing-off towards the working face
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