7
Filters [parts of machines or engines]; Filter housings being parts of machines; Filter housings being parts of engines; Portable filtration units [machines]; Generators; Apparatus for filtration and/or adsorption of oil; Compressed-air filters; Cartridge filters; vacuum filters; High pressure filters; Filter elements and cartridges for compressed air filters; Pumps, compressors and fans; Machines and machine tools for treatment of materials and for manufacturing; Filtering machines, separators and centrifuges; Separators; Filters for machines; Separators for liquids; Condensate separators; Air filters for mechanical purposes; Fluid separation machines; Oil separators; Oil filters; Dust separators; Drain cocks; Cyclone separators; Compressed air machines
11
Electrostatic filters for water filtration; Filters for use with apparatus heating; Filters for industrial and household use; Filters for air purifiers; Filters for use with apparatus for water supply; Strainers for water lines; Filters for water purifiers; Dust filters; Filters for use with apparatus for sanitary purposes; Filters for use with apparatus for air conditioning; Filters for use with apparatus for water supply; Drying installations; Industrial drying installations; Adsorption and refrigeration dryers; Apparatus for drying air generated by a compressor; Heating, ventilating, and air conditioning and purification equipment (ambient); Air treatment equipment; Dehumidifiers; Installations for de-humidifying; Air purifying apparatus and machines; Air filters for industrial use; Air filters for industrial installations; Air filters for household use; Industrial air purifiers; Air cleaning apparatus; Air drying apparatus; Air purifying units for commercial use; Air purifying units for household use; Installations for the cooling of air; Filters for use with apparatus for air conditioning; Filters for air conditioning; Air filtering installations; Air handlers; Air handling installations; Industrial treatment installations; Electrostatic air filters; Filters for gases [household or industrial installations]; Filters for waste gas purification; Filters for use with apparatus for steam generating; Filters for cleaning air; Filter elements for the air vents of water supply tanks; Power filters for water purification [other than machines]; Air filters; Air filtering installations; Air filters for use as dust arrestants in industrial processes; Dust filters; Gas cleaners and purifiers; Apparatus for filtration and/or adsorption of water
37
Machinery maintenance services; Pipeline installation and repair; Laying of cables; Installation of industrial plant; Machinery installation, maintenance and repair; Machinery retrofit and conversion services; Maintenance and repair of cooling appliances and installations; Maintenance and repair of drying apparatus; Maintenance and repair of electronic installations; Repair of compressed air machines; Repair of air filters; Repair of air filtering apparatus; Repair of drying apparatus; Rental of gas or air compressors
42
Science and technology services; Engineering drawing; Engineering consultancy services; Mechanical engineering; Engineering services relating to the design of electronic systems; Technical project planning in the field of engineering; Engineering project management services