9
Measuring, control and regulating apparatus and systems, data processing equipment and installations; Indicators (electricity), Software; Apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; Apparatus for recording, transmission or reproduction of sound or images
11
Heating, ventilating and steam generating apparatus and installations, and components therefor, included in class 11; Air-conditioning apparatus and installations; Refrigerating apparatus; Drying installations; Water supply and sanitary apparatus and installations; Heat storage apparatus; Air filtering installations; Filters for ventilating, air conditioning and air purifying apparatus; Filters for air conditioning; Air humidifying installations; Air dehumidifying apparatus; Driers (Air -); Ventilation apparatus and installations; Systems, apparatus and installations for ventilating, air conditioning, air purifying, heat recovery, humidifying and dehumidifying purposes; Radiators; Heating/cooling radiators, heating/cooling convectors; Panel radiators; Heated towel rails; Solar collectors and heating systems; Installations for generating thermal energy from solar collectors; Heat exchangers, not parts of machines; Exhaust gas, air and water heat exchangers and systems; Heat pumps; Heat regenerators; Heat/moisture exchangers (enthalpy exchangers); Hot water cylinders; Pressure water tanks; Water heaters; De-icing apparatus and installations; Electric heating apparatus and installations, electric heating cartridges and cartridge heaters; Electric refrigerating apparatus and installations; Electric cooling cartridges; Electric cartridge coolers; Fans, in particular exhaust fans, silencers for ventilation systems and ventilation pipes; Parts and components for the aforesaid goods, included in this class
37
Building construction; Repair of building technology equipment and systems; Installation of building technology equipment and systems; Installation, assembly, maintenance, cleaning and repair of burners, electric apparatus, heating apparatus, air conditioning installations, ventilating installations, refrigerating apparatus, machines, ovens, fuel cells, combined heat and power stations, pumps, water treatment apparatus, solar installations, photovoltaic installations, heat pumps, power generating installations and water heaters, and of fittings and components for these goods