74241321
Jan 29, 1992
Dec 14, 1993
cooking apparatus; namely, ovens for industrial use, cooking rings for industrial use, combustion chambers, combustion gas generators, suspension dryers, cross flow dryers, fluidised bed dryers, purifying units for smoke evacuated into the atmosphere for industrial use
Environmental Control Apparatusair purifying services; namely, reduction of emissions of polluting agents, in particular nitrogenous oxide, into the atmosphere
Treatment of Materialsengineering; architectural design for a plant or for specific equipment in the field of industrial installations using combustion
Computer and Scientific