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Respiratory protective devices approved by the Bureau of Mines as of October 1, 1965

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

Approved dust respirators for coal mines

Respirators approved by the Bureau of Mines as of May 24, 1972 :a revision of Information circular 8436

Published Year

• 1960-1969 (2)
• 1970-1979 (2)

Subject

• Breathing apparatus (3)
• Mine safety (3)
• Respirators (Medical equipment) (2)
• Mine dusts (1)
• Respirators (1)

Author

• Schutz, Robert H. (4) *
• Kloos, E. J. (3)
• Beckert, A. J. (1)
• Ferber, B. I. (1)

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