6
Ducts of metal for ventilating installations; Ducts of metal for housing ventilation pipes; Ducts of metal for ventilating and air conditioning installations; Ducts of metal for ventilating and air conditioning installations; Ducts of metal for ventilating and air conditioning installations; Ventilation grilles of metal for fitting in windows; Ventilation grilles of metal for fitting in doors; Metal vent covers; Metal ventilation channels; Air ducts of metal for buildings
9
Smoke detectors; Electric smoke sensors; Electric alarms for smoke; Smoke detectors; Electric smoke sensors; Heat detectors
11
Apparatus for ventilating; Electrically powered fans for ventilation purposes; Electrically powered fans for ventilation purposes; Electrical fans being parts of household ventilation installations; Electrically powered blowers for ventilation; Filters for use with apparatus for ventilating; Ventilating fans; Hoods for ventilating apparatus; Industrial ventilation apparatus; Air impellers for ventilation; Extractors [ventilation or air conditioning]; Mobile ventilating apparatus; Motorised fans for ventilation; Dampers for ventilating installations; Heating, ventilating, and air conditioning and purification equipment (ambient); Extractor units [ventilation]; Ventilation terminals; Dust removing installations for ventilation; Aeration apparatus; Residential ventilating units; Flues for ventilating apparatus; Apparatus for ventilating; Ventilating fans; Ventilating louvers; Ventilation grilles being parts of extractor fans; Ventilation installations; Ventilation [air-conditioning] installations and apparatus; Ventilation hoods; Ventilating hoods for smoke; Portable electric fans; Electrically powered blowers for dust extraction from the air; Electrically powered fans for ventilation purposes; Electrical fans being parts of household airconditioning installations; Fans [parts of air-conditioning installations]; Air conditioning fans; Air conditioning fans; Fire ventilators for exhausting vapours; Flues for ventilating apparatus; Air conditioning fans; Motorised fans for air conditioning
20
Ventilation grilles (non-metallic-) for fitting in windows; Ventilation grilles (Non-metallic -) for fitting in doors
37
Installation of apparatus for ventilating; HVAC (Heating, ventilation and air conditioning) installation, maintenance and repair; Construction of ventilation shafts; Painting, interior and exterior; Coating [painting] services