electronic storage of digital files for others; user authentication services using blockchain technology for digital asset transactions

metering systems, namely, volumetric, pressure and flow meters for metering or controlling the flow rate, filling rate, volume or pressure of liquids, semi-liquids, and gaseous substances in industrial processes; centrifugal metering pumps; digital computer monitors; pressure sensor; level switch; control machines and instruments, namely, control valves for regulating the flow of gases and liquids, electrical control systems for automated analyzer systems for regulating the flow of gases and ...

VIDEO SCREENS; PROJECTION APPARATUS, NAMELY, PROJECTION SCREENS, VIDEO PROJECTORS, MULTI-MEDIA PROJECTORS, LASER LIGHT BEAMERS; VIDEOPHONES