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Portable methane detectors :effects of gases in mine atmospheres

Published Year

• 1960-1969 (1)

Subject

• Methane (1)
• Mine gases (1) *

Author

• Beatty, R. L. (1) *
• Beckert, A. J. (1)
• Dufresne, D. E. (1)
• Watson, H. A. (1)

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