9 Chargers for electric batteries; light or laser welding devices (not for medical purposes); electrical welding or cutting devices, in particular electric arc welding apparatus; welding electrodes, current and voltage transformers, in particular for welding apparatus; current sources, in particular inverter current sources; frequency converters, current sources for plasma welding; transformers; photo-voltaic equipment, structural parts for welding automation; electric driving mechanisms for vehicles, controls for handling devices or robots, microprocessor control units for all of the aforesaid goods; computer-software on data carriers; parts of all the aforesaid goods, as far as not contained in other classes