11
Chemical processing equipment, namely, distillers, evaporators and sterilizer; gas scrubbers being part of gas installations; gas cleaners and purifiers, namely, gas scrubbers; separators for the cleaning and purification of gases; scrubbing columns for the purification of gases; filters for gases being air filters for household and industrial installations; industrial installations for filtering water and oil; oil purifying installations; gas cleaning and purifying installations, namely, deodorizers and separators; water purification installations; water filters for industrial purposes; installations for the collection of gases, namely gas purification and deodorizing machines; water treatment filters; filters for waste gas purification; air cleaning filters being parts of air cleaning machines or installations; water purification, desalination and conditioning installations; water purifying units for producing potable water
37
Installation services for chemical processing equipment, namely, distillers, evaporators and sterilizer; installation services for gas cleaners and purifiers, namely, gas scrubbers; installation services for filters for gases being household or industrial installations; installation services for industrial installations for filtering liquids; installation services for oil purifying installations; installation services for gas cleaning and purifying installations; installation services for water purification installations; repair and maintenance services for chemical processing equipment, namely, distillers, evaporators and sterilizer; repair and maintenance services for gas cleaners and purifiers, namely, gas scrubbers; repair and maintenance services for filters for gases being household or industrial installations; repair and maintenance services for industrial installations for filtering liquids; repair and maintenance services for oil purifying installations; repair and maintenance services for gas cleaning and purifying installations; advisory service, consultancy and informations for aforementioned services
40
Treatment and purification of water and gases; treatment of waste water from industrial processes; waste water treatment services, namely, disposal of waste water from industrial processes; purification of industrial waste water; purification of gases; processing of waste oil; water purification; deodorization of natural gas, purification of natural gas
42
Scientific and technological services, namely, scientific research, analysis, testing, in the fields of oil, gas and waste water; scientific and technological design of natural gas and waste water installations; research services in the field of science; design services, namely, industrial design; technical design, namely, architectural and engineering design; design and development of new technology for others; engineering services for the design of the installations for oil purifying, gas cleaning and purifying, water purification, collection of gases, desalination and conditioning; design and development of scientific testing and analysis methods; testing, authentication and quality control of oil, gas and water; testing, authentication in the fields of oil, gas and water and quality control for others; design of diagnostic apparatus and equipment; technical design services with regards to purification equipment; chemical analytical examinations; analytical services with regards to the assessment of bacteriological content of fluids and gases; advisory service, consultancy and information on the aforementioned services
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