00795nam 2200157z- 450 9910712606503321(CKB)5470000002496102(EXLCZ)99547000000249610220230509c1979uuuu -u- -engParticulate measurement - evaluation of the equivalency of the three-bag and four-bag LA-4 dynamometer test proceduresAnn Arbor, MichStandards Development and Support Branch, Emission Control Technology Division, Office of Mobile Source Air Pollution Control, Office of Air, Noise and Radiation, U.S. Environmental Protection AgencyBOOK9910712606503321Particulate measurement - evaluation of the equivalency of the three-bag and four-bag LA-4 dynamometer test procedures3263210UNINA