[Class : 11] Apparatus For Heating, Drying And Ventilation; Fans; (Parts Of Air Conditioning Installations); Fans; (Air Conditioning); Electric Fans For Personal Use; Parts And Components For Fans And Ventilating Apparatus Including Silencers, Grids, Butterfly Dampers And Multi Leaf Dampers, Fire Valves, Inflow And Outflow Apertures, Cloth Covered Apertures, Air Curtains, ...