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Stenches for detecting leakage of blue water gas and natural gas

The universal and the fireman's gas masks

Published Year

• 1920-1929 (2) *

Subject

• Gas masks (1)
• Mine safety (1)

Author

• Katz, Sidney H. (2) *
• Allison, Vernon Charles, (1)
• Bloomfield, J. J. (1)
• Fieldner, Arno Carl, (1)

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