Refrigerating apparatus; apparatus for ventilating; heating apparatus; air-conditioning apparatus; cooling units; heating units; dust filters being parts of ventilation installations; electric motor-driven fans, ventilators and blowers, included in this class; accessories for the aforesaid fans, ventilators and blowers driven by electric motors, namely adapted air and dust filters, screens, protective grids, filter frames, inlet nozzles, wall rings, terminal boxes, the aforesaid goods of metal and/or plastic; electrically driven pumps, namely coolant pumps [parts of cooling apparatus] and heat pumps; ventilation installations for dust separating.

Drive and ventilation technology advice, in particular with regard to the use and installation of electric motors, ventilators, ventilators and blowers; technical development of products for others for drive, ventilation and air conditioning technology.

Apparatus, equipment and installations for cooling, heating, ventilating and air-conditioning; refrigeration units; heating units; dust filters for use with apparatus for ventilating; electric motor-driven fans and ventilators, and parts for the aforesaid goods; accessories for electric motor-driven fans and ventilators, namely air and dust filters, screens, protective grilles, filter frames, injection nozzles, wall rings, terminal boxes, the aforesaid goods being of metal and/or plastic.

Technical consultancy for drive and ventilation technology, in particular with regard to the use and incorporation of electric motors, fans, ventilators and blowing machines; technical development of drive, ventilation and air conditioning technology products for others.