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Start Over You searched for: Author Scientific Research and Development Office Remove constraint Author: Scientific Research and Development Office Catalog Issue Year Decade 1940 - 1949 Remove constraint Catalog Issue Year Decade: 1940 - 1949

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242. OSRD reports. [5339.]. Fundamental factors in design of protective respiratory equipment: Study and evaluation of inspiratory and expiratory resistances for protective respiratory equipment [with bibliography]; by Leslie Silverman, George Lee, Anne K. Yancey, Leonore Amory, Laura J. Barney, Robert C. Lee.