NASA NTRS · 19850000244
Curtain Wall Creates Ventilation Channel
Abstract
Curtain-wall structure proposed for removing methane and airborne coal dust from hydrojet-jaw mining machines. Channel between curtain wall and mine wall forms closed exhaust passage. Through it, gas and dust continuously removed so high concentrations of these explosive materials not build up.
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Lewis, E. V.. 1985-10-01. Curtain Wall Creates Ventilation Channel. https://ntrs.nasa.gov/citations/19850000244
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