Direct current motor; alternating current servo motor; electricity generators, namely, tachogenerator; servo-drivers for motors, namely, direct current servo driver for motors and alternating current servo driver for motors; laser engraving machines; laser welding and cutting machines

Direct current servo driver and alternating current servo driver, namely, electronic servo motor controllers; inverters; laser power devices for generating laser and controlling the intensity of laser; radio frequency power devices for controlling the acouto-optic crystal switch by applying radio frequency power; lasers not for medical use