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Portable methane detectors :effects of gases in mine atmospheres

Low-temperature performance of compressed-oxygen closed-circuit breathing apparatus

Evaluation of chemical-cartridge respirator face fit

Published Year

• 1960-1969 (2)
• 1970-1979 (1)

Subject

• Breathing apparatus (2)
• Respirators (Medical equipment) (2)
• Methane (1)
• Mine gases (1)
• Mine safety (1)
• Mine safety--Equipment and supplies (1)

Author

• Beckert, A. J. (3) *
• Beatty, R. L. (1)
• Dufresne, D. E. (1)
• Gussey, Patricia M. (1)
• Kloos, E. J. (1)
• Schutz, Robert H. (1)
• Watson, H. A. (1)
• Watson, Harold A. (1)

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