Regulation No 63 of the Economic Commission for Europe of the United Nations (UNECE) — Uniform provisions concerning the approval of L1 category vehicles with regard to sound emission [2018/1705]
联合国欧洲经济委员会(UNECE)第63号法规-关于就声音排放方面批准L1类车辆的统一规定[2018/1705]
Regulation No 63 of the Economic Commission for Europe of the United Nations (UNECE) — Uniform provisions concerning the approval of L1 category vehicles with regard to sound emission [2018/1705]