Electrical engines, other than for land vehicles; electric motor-driven fans, ventilators and blowers, all for motors and machines, included in this class; parts of the electric motor-driven fans, ventilators and blowers mentioned in this class, namely adapted air and dust filters, screens, protective grilles, filter frames, inlet nozzles, wall rings, terminal boxes, the aforesaid goods of metal and/or plastic; electric motor driven pumps.;
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.;