Evaluation of rotating water seal for frictional ignition spray system on a wet-head continuous miner [microform] / J.A. Kost (A mining research contract report) ([OFR ; 25-90])
Evaluation of rotating water seal for frictional ignition spray system on a wet-head continuous miner [microform] / J.A. Kost
(A mining research contract report) ([OFR ; 25-90])