Babanin, O.; Butskiy, O.; Kovalenko, O.; Maksimov, M. Application of Synthetic Filters from Polypropylene in Diesel Locomotive Oil Systems to Improve the Efficiency of Cleaning Engine Oil. IJET 2018, 7 (4.3), 162-166. https://doi.org/10.14419/ijet.v7i4.3.19728.