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CHEMICAL PREPARATIONS IN THE NATURE OF INORGANIC FILTERING MATERIALS FOR USE IN THE FOOD-PROCESSING, BIO-INDUSTRY, CHEMICAL AND PETROCHEMICAL INDUSTRIES; MINERAL SUBSTANCES IN THE NATURE OF INORGANIC FILTERING MATERIALS FOR USE IN THE FOOD-PROCESSING, BIO-INDUSTRY, CHEMICAL AND PETROCHEMICAL INDUSTRIES; UNPROCESSED PLASTICS IN THE NATURE OF INORGANIC FILTERING MATERIALS FOR USE IN THE FOOD-PROCESSING, BIO-INDUSTRY, CHEMICAL AND PETROCHEMICAL INDUSTRIES, INORGANIC CERAMIC PARTICLES FOR USE AS A FILTERING MEDIA FOR USE IN THE FOOD-PROCESSING, BIO-INDUSTRY, CHEMICAL AND PETROCHEMICAL INDUSTRIES
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INORGANIC WATER AND GAS FILTERS FOR USE IN THE FOOD PROCESSING INDUSTRY, BIOINDUSTRY, AND THE CHEMICAL AND PETROCHEMICAL INDUSTRIES, POLLUTION CONTROL EQUIPMENT, NAMELY, GAS SCRUBBERS, SEPARATORS FOR THE CLEANING AND PURIFICATION OF AIR, AND SEPARATORS FOR THE CLEANING AND PURIFICATION OF GASES