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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.
measuring, detecting and monitoring instruments, indicators and controllers, namely, gauges and sensors for measuring, testing and checking the temperature, pressure, quantity, composition and concentration of gas and liquid; electrodes for sensors; cathodes; ph and oxidation reduction potential (orp) sensors, conductivity sensors, optical sensors, electrochemical sensors and gas sensors for measuring gas concentration; diaphragms for scientific apparatus, namely, diaphragms for ph and oxidation reduction potential (orp) sensors, electrochemical sensors and conductivity sensors; glassware for use in a laboratory; hollow glass containers for measuring; glassware specifically adapted for scientific experiments in laboratories; electronic controls for sensors