7 [ Machines and machine tools and equipment, included in this class, namely, fans for machine engines, shaking and mixer equipment, namely, concrete mixers, incubators for eggs, electrical metal sheath dispersion machinery using electrical discharge to remove the metal sheath from mineral insulated wire and stainless steel over braid wire, agitators for circulating liquid media, ] motors and engines, namely, gear motors, [ spur wheel back-geared motors, worm gear motors, friction gear motors, bevel gear motors, planetary back-geared motors, ] gear motors with electronic speed regulators, [ shade-pole motors, capacitor motors, composite rotary motors, ] servomotors [, pump, fan, blower and stirrer motors; motors and engines, except for land vehicles, namely, spur wheel back-geared motors and planetary back-geared motors, for photocopying equipment, for office machines, for mechanical engineering, for the apparatus construction industry, for electronic equipment, for the automatic machines construction industry, for galvanizing apparatus, for capstan drives, for automatic data processing machines, for advertising equipment, for dental equipment, for roller drives, for feeding and adjusting drives, for textile machines; motors and engines, except for land vehicles, namely, bevel gear motors, worm gear motors and other angular gear motors, for the automatic machine construction industry, for switching apparatus, for the construction industry, for precision mechanical apparatus, for the electric equipment and apparatus construction industry, for electro-medical purposes, for chemical equipment, for laboratory equipment; motors and engines, except for land vehicles, namely, shade-pole motors, for fan heaters, for ventilators, for projectors, for photocopying equipment, for printing machines, programmable switch systems, automatic machines, for medical equipment, for photographic and phonograph equipment, for machine tools; brakes for machines; machine coupling and transmission components, except for land vehicles, namely, quick-stop devices, stop brakes, magnetic brakes, electronic motor brakes, chucks, flexible stirrer couplings, stirrer seals, flexible shafts, clamps, sleeves ] ; accessories and parts for machines, equipment, motors and engines, included in this class, namely, [ bearing housings, fluid drive couplings, stands for machines, rotary pistons, pistons for internal combustion engines, oil coolers, receiving pistons for internal combustion engines, ] control and regulating elements, speed governors [ and pressure regulators ]