Technical services in connection with welding, gas analysis, chemical plant operation and metal processing, including: performing gas analyses, including polluted air analyses, for other parties; preparation of programmes for the control and operation of chemical plants, mineral oil processing plants, oil refining plants, gas production and processing plants, metal refining plants and metal processing plants; preparation of programmes for welding operations; provision of technical advice on and development of welding processes, including shielded arc welding processes; provision of welding data

All goods in this class, in particular: data-processing equipment, especially equipment for recording and reproducing welding data, equipment for the regulation and control of the wire advance speed in arc welding with consumable electrodes, the quantity of protective gas in shielded arc welding and the movement of welding burner carriages and rotating welding tables; slide rules; digital and analogue computers; microprocessors, programme devices; memories, storages and switches; signal converters; data-processing programmes in the form of punched cards and tapes; magnetic tapes and discs, including programmed magnetic tapes and discs

Blank cards and paper tape for computers, for use in data processing equipment; mathematical tables, including technical tables for use in welding, gas analysis, chemical plant operation and metal processing