01550oam 2200445 450 991071309490332120200817132902.0(CKB)5470000002499250(OCoLC)1143848814(EXLCZ)99547000000249925020200311j197204 ua 0engur|||||||||||txtrdacontentcrdamediacrrdacarrierEvaluation of Eccono-Needles /Henry L. Gompf[Ann Arbor, Mich.] :Test and Evaluation Branch, Environmental Protection Agency,April 1972.1 online resource (approximately 6 pages)"April 1972.""72-19."Includes tables.AutomobilesPollution control devicesMotor vehiclesPollution control devicesAutomobilesMotorsExhaust gasUnited StatesTechnical reports.lcgftAutomobilesPollution control devices.Motor vehiclesPollution control devices.AutomobilesMotorsExhaust gasGompf Henry L.1392808United States.Environmental Protection Agency.Office of Mobile Source Air Pollution Control.Emission Control Technology Division.Test and Evaluation Branch,GPOGPOGPOOCLCFGPOBOOK9910713094903321Evaluation of Eccono-Needles3517624UNINA