1
chemicals to assist in purification of liquids, gases, natural gas, industrial oils and petrochemicals; chemical catalysts for use in purification of liquids, gases, natural gas, industrial oils and petrochemicals; catalysts and refinery catalysts for the reduction of sulfur
40
chemical processing of liquids, gases, natural gas, industrial oils and petrochemicals; industrial treatment of liquids, gases, natural gas, industrial oils and petrochemicals; catalytic services for industrial purification of liquids, gases, natural gas, industrial oils and petrochemicals; advisory, consultancy and provision of chemical information for the supply, installation, disposal and regeneration of catalysts for use in the reduction of sulfur
41
publication of technical information as well as conducting seminars in the field of reduction of sulfur from liquids, gases, natural gas, industrial oils, petrochemicals and catalysts; publication of technical information and providing technical training relating to the provision of catalysts for use in reduction of sulfur from liquids, gases, natural gas, industrial oils, petrochemicals and catalysts
42
engineering, product development and technical consultation and research in the field of reduction of sulfur and sulfur-containing compounds from liquids, gases, natural gas, industrial oils and petrochemicals; advise and provision of technical information relating to the reduction of sulfur from liquids, gases, natural gas, industrial oils and petrochemicals; chemical plant operation services; consultancy and use in manufacture of liquids, gases, natural gas, industrial oils and petrochemicals relating to reduction of sulfur; consultancy and technical information relating to provision, installation, operation and disposable of catalysts
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