RN

Carbon for industrial purposes; Chemicals for use in purifying water; Mineral substances in the nature of filtering materials in the water purifying industry; Vegetable substances in the nature of filtering materials in the water purifying industry; Ceramic particles for use as a filtering media in the water purifying industry; Unprocessed plastics in the nature of filtering materials in the water purifying industry; Adjuvants for use in the manufacture of insecticides; Biochemical catalysts; Chemical preparations for use in photography