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Determination of the oxides of nitrogen by the phenoldisulfonic acid method

Danger from carbon monoxide in the home

Supplemental list of respiratory protective devices approved by the Bureau of Mines :additions to list published in Information Circular 7444

List of respiratory protective devices approved by the Bureau of Mines

Published Year

• 1940-1949 (3)
• 1950-1959 (1)

Subject

• Breathing apparatus (2)
• Respirators (Medical equipment) (2)
• Carbon monoxide (1)
• Nitrogen oxides--Analysis (1)

Author

• Berger, Lawrence Bursley. (4) *
• Schrenk, H. H. (2) *
• Beatty, Robert L. (1)
• Pearce, S. J. (1)

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