[ machines and instruments for power current engineering, namely, for lines, transformation, storage, automatic control and controlling means; machines and instruments for low-voltage current technology, namely, for communication-, high frequency- and automatic control engineering; photographic, movie-, optical, weigh-, measure-, signal-, control-, saving- and instruction devices and instruments; appliances for recording, transmission, reproduction of tone and picture; magnetic recording carrier, data processing units and computers, personal computers enclosed, micro-, mini- and mainframer and workstation computers; components of and accessories for calculators, data processing units and computers, namely, additional switching circuits and -circuit boards, monitors, display elements, keyboards, driving elements for disks and -drives for hard disks, floppy-disks (flexible magnet disks), diskettes and optical memory disks, tape driving elements and -drives, data transfer devices (including modems and multiplexers), in- and output devices including scanner, mouses, plotter and optical sign reading, optical sign recognizing- and -coder, patch plugs, incoming feeder and cable; printer, especially for calculators, data processing devices and computers, including dot matrix printers, daisy wheel printers, page printers, thermal printers and ink jet printers as well as laser printers and ] computer programs