11 Environmental installations for reduction of emissions, waste gas cleaning plants, air purification plants, flue gas purification plants, flue gas desulphurization plants, fluidized bed installations, steam generators, especially fluidized bed steam boilers and waste heat boilers; machines and apparatus for waste gas purification, air purification and flue gas purification and for steam generation.
37 Building, assembling, start-up, maintenance and repair services for environmental installations for reduction of emissions, waste gas cleaning plants, air purification plants, flue gas purification plants, flue gas desulphurization plants, for fluidized bed installations, for steam generators, especially for fluidized bed steam boilers and waste heat boilers.
42 Technical consulting and project studies for environmental installations for reduction of emissions, waste gas cleaning plants, air purification plants, flue gas purification plants, flue gas desulphurization plants, for fluidized bed installations, for steam generators, especially for fluidized bed steam boilers and waste heat boilers; providing technical process models for environmental plants for reduction of emissions, waste gas cleaning plants, air purification plants, flue gas purification plants, flue gas desulphurization plants, for fluidized bed installations, for steam generators, especially for fluidized bed steam boilers and waste heat boilers; technical consulting for system choice and construction of plants mentioned above.
