7 [ Generators and ] machine tools for electric machining, in particular machining by electric discharge, [ electrolytic machining, electro-chemical processing or a combination of these types of machining; electronic or partially electronic machine tools for electric machining; ] digitally-controlled machine tools for electric machining; [ control mechanisms for machines for electric machining; control devices and apparatus for digitally-controlled machine tools for electric machining; ] wire-cutting machines for electric machining; electric engraving machines for electric machining; machines for drilling by electric machining; [ milling machines for electric machining; ] machine tools for electric machining with rotating electrodes; [ generators for electric machining; machine parts, namely, cutters for cutting worn wires on electric discharge machines sold as integral components of wire electric discharge machines; ] machines for cutting and machines for cutting metal; milling machines; high-performance milling machines; high-speed milling machines; machine tools for laser machining, in particular digitally-controlled [ ; control devices and apparatus for digitally-controlled machines for laser machining; machine tools, namely, machining units with laser heads for laser machining; machine tool parts, namely, couplings for machine tools, in particular clamping systems used for fastening parts and electrodes and clamping elements for workpieces; material handling machines, namely, pallets containing workpieces; machine parts, namely, elements for fastening tools; machine tools, namely, tool changing systems for changing tools between a tool loader and spindle, loaders for workpieces, pallet changing systems for changing pallets between a workpiece loader and a machining area; machine tool parts, namely, devices for securing electrodes on electric discharge machines; machine tool parts, namely, handlers for tools and workpieces; spindles, high-speed spindles and high-frequency spindles, all being parts of machines; transmission devices as parts of machines, namely, reducers, motion converters, gear reducers, rotary tables and tilting tables; filters for dielectric filtering for machining parts by electric discharge; machine parts for electric discharge machines, in particular thread guides, drainage nozzles and components for two-way wire circuits; parts of machines for milling machines and lathes, in particular main spindle bearings, clamping interfaces between tools and main spindle shafts of milling machines, clamping interfaces between parts and main spindle shafts of lathes; linear guides, ball screws, flexible couplings, pulley driven systems and gears, and part positioning tables all for milling machines; machine parts for machines for machining laser parts, in particular filters for filtering dust and fine particles, activated carbon cartridges for filtering smoke, laser beam sources, laser beam display systems, linear guides, ball screws, flexible couplings, pulley driven systems and gears, part positioning tables for parts for machine tools laser machining parts ]