2008TCVN 7882-2008 Road vehicles.Noises emitted from mopeds.Requirements and test methods in type approval
2000TCVN 6597-2000 Acoustics.Measurement of noise emitted by two-wheeled mopeds in motion.Engineering method
TCVN 6597-2000 Acoustics.Measurement of noise emitted by two-wheeled mopeds in motion.Engineering method was changed to TCVN 7882-2008 Road vehicles.Noises emitted from mopeds.Requirements and test methods in type approval.