79372980
May 26, 2023
Industrial ventilation apparatus; air treatment equipment; heating, ventilation and air-conditioning installations; heating, ventilation, air-conditioning and air purification equipment and installations; ventilating fans; axial fans; radial air fans; jet fans; electric fans; fans for industrial purposes; fans for commercial purposes; fans [air conditioning]; fans for ventilation purposes; fans for ventilation; fans for gas extractors; fans for smoke extractors; fans (axial and radial) for chemical plants, nuclear power plants, for ships and in shipbuilding, for tunnels and in tunnel construction, for environmental technologies; electric fans for ventilation; electric fans as parts of domestic ventilation systems; portable electric fans; motor-driven fans for ventilation purposes; fire dampers as parts of air-conditioning and ventilation systems
Environmental Control Apparatus