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Reduction of harmful exhaust gas from internal combustion engine involves alternately supplying reducing agent having nitrogen oxide catalyst, to separate partial flow at variable time, and reducing nitrogen oxide occluding material
Reduction of harmful exhaust gas from internal combustion engine involves alternately supplying reducing agent having nitrogen oxide catalyst, to separate partial flow at variable time, and reducing nitrogen oxide occluding material
A reducing agent having nitrogen oxide (NO x) occlusion catalyst, is supplied alternately to a separate partial flow, at variable time, and NO xoccluding material is reduced from the exhaust gas from internal combustion engine.
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