DIAIR

Exhaust emission control systems in the nature of an exhaust gas purifying apparatus for diesel engines; and instruments for automobiles, namely, diesel particulate filters, catalytic converters, combustion purifiers, diesel oxidation catalysts, three-way catalysts, NOx storage and reduction catalysts, exhaust pipes, fuel injectors, hydrocarbon injectors and exhaust manifolds

Automobiles and structural parts thereof, engines for automobiles