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Stenches for detecting leakage of blue water gas and natural gas
The universal and the fireman's gas masks
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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)