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5 results returnedList of permissible self-contained oxygen breathing apparatus, gas masks, and hose masks
List of permissible self-contained oxygen breathing apparatus, gas masks, and hose masks
Protection against mercury vapor afforded by canister gas masks
The significance of the Bureau of Mines approval of gas masks
List of respiratory protective devices approved by the U.S. Bureau of Mines
Published Year
Subject
- Gas masks (5) *
- Breathing apparatus (3)
- Respirators (Medical equipment) (3)
- Mine rescue work--Equipment and supplies (2)
- Self-contained self-rescuer (Mine rescue equipment) (2)
- Mercury (1)
- Mine safety--Equipment and supplies (1)
- Mineral industries--Safety measures (1)
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