1 Protective gases for welding; welding means, (all of the aforementioned goods, where not contained in other classes).
6 Base metals and their alloys; cables of metal (not for electrical purposes); wires of metal (not for electrical purposes), particularly for welding and soldering; metal containers for compressed gases; welding rods of metal (all the aforementioned goods, where not contained in other classes).
8 Welding or cutting apparatus (not electrical); welding burners; (all the aforementioned goods, where not contained in other classes).
9 Charging apparatus for accumulators; arc or laser welding apparatus (not for medical purposes); electrical welding or cutting apparatus, particularly arc-welding apparatus; welding electrodes, current and voltage converters, particularly for welding apparatus; current sources, particularly inverter current sources, frequency converters, plasma welding current sources; transformers, photovoltaic systems, components for automated welding and accessories for all the aforementioned goods; control systems for handling apparatus or robots, microprocessor control systems for all the aforementioned goods; computer software on data carriers (parts of all the aforementioned goods, where not contained in other classes).
42 Commercial consultation and project or construction planning or support in development of current sources and welding apparatus, apparatus and control systems, particularly in conjunction with electronic systems for current sources or welding apparatus; development of computer software, particularly for welding apparatus, for control systems, for quality assurance and for contract management; development of new welding processes or new additive materials for such processes.