7
Machines and machine tools and parts thereto; filters for drying, cleaning, cooling and conditioning air, in particular compressed air, gases and liquids; filter bodies; filtering materials; mechanical and electrical steam traps; oil separators; water separators
9
Level meters, valves, in particular magnetic valves, diaphragm valves, controls for valves, time control systems, manometers, in particular differential pressure manometers, pressure meters, in particular temperature/pressure meters, level/pressure meters
11
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, and water supply; apparatus and installations for drying, cleaning, cooling and conditioning air, in particular compressed air, gases and liquids, in particular filters; parts and fittings for apparatus and installations for drying, cleaning, cooling and conditioning air, in particular compressed air, gases and liquids, in particular pump diaphragms, connecting pieces for filter systems, including structural connecting pieces and fixtures; apparatus for ventilating
37
Building construction; repair; installation services; commissioning, installation, repair and maintenance of filters and filter installations, dryers, dryer installations for drying, cleaning, cooling and conditioning air, in particular compressed air, gases and liquids
42
Scientific and technological services and research and design relating thereto; industrial analysis and research services; design and development of computer hardware and software; engineering services; consultancy with regard to the planning, construction and operation of filters and dryers, and other installations and apparatus for drying, cleaning, cooling and conditioning air, in particular compressed air, and other gases and liquids