7
Exhaust gas purifying installations for combustion engines, in particular exhaust gas purifying installations for removing solids carried in exhaust gases, exhaust gas purifying installations for denitrification, and combined exhaust gas purifying installations, individual components therefor, including catalytic converters, particle filters, reducing agent injection devices, SCR catalytic converters; carburettors and other systems for regulating the mixture strength of fuel-air mixtures (all the aforesaid goods other than for land vehicles)
9
Electronic control devices for controlling and/or regulating exhaust gas purifying installations; Electronic control mechanisms for operating carburettors and other systems for regulating the mixture strength of fuel-air mixtures for combustion engines
12
Exhaust gas purifying installations for combustion engines, in particular exhaust gas purifying installations for removing solids carried in exhaust gases, exhaust gas purifying installations for denitrification, and combined exhaust gas purifying installations, individual components therefor, including catalytic converters, particle filters, reducing agent injection devices, SCR catalytic converters; carburettors and other systems for regulating the mixture strength of fuel-air mixtures (all the aforesaid goods for land vehicles)
42
Development of exhaust gas purifying installations and individual components therefor, and development of exhaust gas purifying systems