CHEMICAL PRODUCTS USED IN INDUSTRY-NAMELY, MULTI-PURPOSE PREPARATIONS TO BE ADDED TO COAL, COKE, GASOLINE AND FUEL OILS FOR IMPROVING COMBUSTION AND POLLUTION CHARACTERISTICS; COMBUSTION CATALYSTS; FUEL ADDITIVES; BOILER ADDITIVES; COATINGS FOR COAL FOR PREVENTING FREEZING OF COAL AND TO CONTROL COAL DUST AND CHEMICALS FOR CORROSION AND DEPOSIT INHIBITION IN COOLING WATER SYSTEMS

[ DUST CONTROL SUBSTANCES ]