Apparatus for lighting, heating, steam generating, cooking, refrigerating, freezing, drying, ventilating, water supply and sanitary purposes; air-conditioning apparatus and installations and parts and fittings therefor; air-purifying apparatus and installations and parts and fittings therefor; dehumidifiers; air deodorising apparatus; filters for air-conditioning; fans (parts of air conditioning installations); filtering installations (household or industrial); air valves for steam heating installations; refrigerating containers; refrigerant compressors; inverters being parts of air-conditioning apparatus; motors being parts of air-conditioning apparatus; motorized fans for air conditioning