GOST R 17.2.02.06-1999 Nature protection. Atmosphere. Norms and methods of measuring of carbon monoxide and hydrocarbons content in exhaust gases from motor vehicles with spark ignition engines used gas fuel
1999GOST R 17.2.02.06-1999 Nature protection. Atmosphere. Norms and methods of measuring of carbon monoxide and hydrocarbons content in exhaust gases from motor vehicles with spark ignition engines used gas fuel