Air-conditioning apparatus and installations; ventilating apparatus and installations; grilles and louvres in this class; air purifying apparatus and installations; air cooling apparatus and installations; air heating apparatus and installations; humidifying apparatus and installations; dehumidifying apparatus and installations; and air diffusion products; parts and accessories for the aforegoing goods in this class

Airconditioning apparatus and parts therefor including flexible ducts and air diffusion products

Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes; and parts and fittings for all the aforesaid goods all being goods included in this class.