7
Construction machines; construction equipment; machine tools; engines (except for land vehicles); Industrial cleaning machines; Vacuum cleaners; Vacuum cleaner hoses; Vacuum pumps; Suction nozzles for vacuum cleaners; Dust removing installations for cleaning purposes; Dust separators; Dust filters for vacuum cleaners; Grease filters [parts of machines]; Industrial robots; Robotic cleaning machines; Sweeping machines; Brushing [sweeping] machines; Electrical brushes; Brushes being parts of machines; Brushes for vacuum cleaners; Spraying machines; Pressure cleaning machines
9
Cameras; Video cameras; Measuring, counting, alignment and calibrating instruments; Measuring, detecting and monitoring instruments, indicators and controllers; Air analysis apparatus
11
Heating apparatus; drying apparatus; ventilating apparatus; air conditioning apparatus; Drying installations; Sanitary installations; Heating installations; Cooling installations; Air handling installations; Industrial treatment installations; Air-conditioning installations; Installations for air extraction; Air purifiers; Air purification installations; Air cleaning apparatus; Air conditioners; Heating, ventilating, and air conditioning and purification equipment (ambient); Dust filters; Air filters; Air filter installations; Filters for air conditioning; Filters for industrial and household use; Ventilation [air-conditioning] installations and apparatus; HVAC systems (heating, ventilation and air conditioning)
37
Building construction; Building maintenance and repair; Machinery installation, maintenance and repair; HVAC (Heating, ventilation and air conditioning) installation, maintenance and repair