Classe 1 · Indústria & Química
Bases (chemical preparations); preparations for the preservation of concrete (excluding paints or oils); emulsifiers; esters; surface-active chemical agents; metal soap for industrial use; detergents used in manufacturing processes; additives, chemical, to motor fuel; anti-knock substances for internal combustion engines; petroleum dispersants; engine-decarbonising chemicals; damp-proofing chemicals, except paints, for masonry; oil dispersants; fuel-saving preparations; chemical additives for oils.;