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Buban, E. E.; Gray, R. E.
view article (1.0)Short-Duration Self-Rescue Breathing Apparatus. IBM Technical Proposal.Mine Safety Appliances Co., Pittsburgh, PA['FSC 71-5118', 'OFR 6-75']Bureau of Mines, Washington, DC, FSC 71-5118; OFR 6-75
June 28, 1971
122 p.