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Primary view of Gas Masks for Gasoline and Petroleum Vapors
Katz, Sidney H. & Bloomfield, J. J.
August 1924
Primary view of Dust Respirators: Their Construction and Filtering Efficiency
Katz, Sidney H.; Smith, G. W. & Meiter, E. G.
1926
Primary view of Gas Masks for Gases Met in Fighting Fires
Fieldner, Arno Carl; Katz, Sidney H. & Kinney, Selwyne P.
August 1921
Primary view of A Carbon Monoxide Recorder and Alarm
Katz, Sidney H.; Reynolds, D. A.; Frevert, H. W. & Bloomfield, J. J.
1926
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