74173505
Jun 5, 1991
Feb 15, 1994
[ resistance welding machines, medium frequency welding machines, spot-welding machines, arc-welding machines (autogenous), protective gas welding machines, welding machines operating on the magnetically moved arc principle; accessories for the above-mentioned machines; namely, welding cylinders, welding presses, welding transformers, welding drums, turntables, wire feed units, hose packs, support structures for automatic welding machines, machine tools for clamping and holding workpieces to be welded and parts therefor; industrial robots, mechanically operated manipulators for welding and other processes for the treatment of workpieces particulary for surface coating, surface treating, paint spraying, manipulating of workpieces and tools; welding production lines, essentially consisting of the above-mentioned welding machines as well as industrial robots and welding robots for carrying out welding processes, particulary with regard to the automobile industry, household articles and industrial scale manufacture ]
Machineryelectrical, electronic, pneumatic and hydraulic controllers for welding machines, industrial robots and welding production lines; computers for monitoring the above-mentioned welding machines; electrical units for limiting the welding times of the above-mentioned machines; controlling units and manipulators, as well as computer software for the above-mentioned controlling devices and computers
Electrical and Scientific Apparatus