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; compact discs, DVDs and other digital recording media; mechanisms for coin-operated apparatus; cash registers, calculating machines, data processing equipment, computers; software; fire extinguishing apparatus; fiber optic couplings; plug adapters; electrical adapters; high-frequency switching power supplies; high-voltage power supplies; DC input power supplies; power adapters; AC/DC power supplies; electronic power supplies; electrical power supplies; security alarms; gas leak alarms; ammeters; power amplifiers; radio frequency amplifiers; optical semi-conductor amplifiers; residual gas analyzers; data storage apparatus; high-frequency apparatus; electrical and electronic control apparatus and instruments; measuring apparatus and instruments; measuring and control apparatus and instruments; remote control apparatus and instruments; data communication apparatus and instruments; radio apparatus and instruments; scientific, optical, measuring, signalling and checking apparatus and instruments; computer apparatus; apparatus for monitoring and recording the performance of machinery; heat regulating apparatus; measuring devices, electric; vehicle dipsticks; feeder cables; cables, electric; fiber optic cables; electronic circuits; counters; contacts, electric; flowmeters; gasometers [measuring instruments]; temperature indicators; water level indicators; level indicators; fuel gauges; gasoline gauges; circuit breakers; power switches; measuring and testing machines and instruments; pressure gauges; pressure measuring apparatus; measuring apparatus; monitors [computer hardware]; computer programs, recorded; control panels [electricity]; heat detectors; detectors; level sensors; gas sensors; liquid level sensors; oil level sensors; pressure sensors; temperature sensors; optical sensors; locks, electric; solenoid valves [electromagnetic switches]