Regulation No 83 of the Economic Commission for Europe of the United Nations (UN/ECE)
Uniform provisions concerning the approval of vehicles with regard to the emission of pollutants according to engine fuel requirements
Uniform provisions concerning the approval of vehicles with regard to the emission of pollutants according to engine fuel requirements
Testata editoriale iscritta al n. 22/2024 del registro periodici della cancelleria del Tribunale di Perugia in data 19.11.2024