01327nam 2200349 450 991071386850332120200827082254.0(CKB)5470000002505007(OCoLC)1190901392(EXLCZ)99547000000250500720200827j197307 ua 0engur|||||||||||txtrdacontentcrdamediacrrdacarrierAn evaluation of Aquablast's Wyman valves[Ann Arbor, Mich.] :Emission Control Technology Division, Office of Air and Water Programs, Environmental Protection Agency,July 1973.1 online resource (4 unnumbered pages) illustrations"74-3 RBM.""July 1973."Motor vehiclesPollution control devicesTestingMotor vehiclesMotorsExhaust gasAnalysisMotor vehiclesPollution control devicesTesting.Motor vehiclesMotorsExhaust gasAnalysis.United States.Environmental Protection Agency.Office of Mobile Source Air Pollution Control.Emission Control Technology Division,GPOGPOBOOK9910713868503321An evaluation of Aquablast's Wyman valves3444965UNINA