9
Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; automatic vending machines and mechanisms for coin-operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire-extinguishing apparatus.
electronic circuits; electric sensors; internal circuits; internal circuits for measuring sterilization of sensors, namely, redox electrodes, ph electrodes, redox sensors, ph sensors, electrochemical sensors, potentiometric sensors; electrodes, temperature sensors, dissolved oxygen sensors, optical disssolved oxygen sensors; internal circuits for measuring sterilization of sensors, namely, sensors for measuring ph of water and waste water, sensors for measuring the ph of process media, sensors for measuring the internal chemistry of aqueous solutions, not for medical use