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Start Over You searched for: Authors Hatch, Theodore F., author Remove constraint Authors: Hatch, Theodore F., author Copyright Public domain Remove constraint Copyright: Public domain Subjects Air Pollutants, Occupational Remove constraint Subjects: Air Pollutants, Occupational Titles Project no. 3 -- Toxic gases in armored vehicles. Second partial report on sub-project no. 3-9 -- Determination of ventilation requirements for gas-proofing tanks of the M4 series Remove constraint Titles: Project no. 3 -- Toxic gases in armored vehicles. Second partial report on sub-project no. 3-9 -- Determination of ventilation requirements for gas-proofing tanks of the M4 series
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