9 Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, 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, phonograph discs; compact discs; dvds; digital recording media; mechanisms for coin-operated apparatus; computer software; respirators, except for artificial respiration; respiratory apparatus, other than for medical use; breathing apparatus for underwater swimming; respiratory masks, other than for artificial respiration; filters for respiratory masks; non-medical respiratory mask filters; automatic dosage apparatus; recording apparatus; laboratory optical apparatus; optical apparatus and instruments; apparatus and instruments for physics; physiological apparatus other than for medical use; hygrometers; computer hardware; data communications hardware; computer hardware and software for setting up and configuring local area networks; computer networking hardware; cash registers; calculators; data processing equipment; computers; cabinets adapted to hold electrical apparatus; infrared detectors; magnetic object detectors; detectors; photoionic detectors; interfaces for detectors; gas masks; spectrophotometers for dental purposes; spectrophotometers for dental purposes for the determination of the shades of dental prostheses; gas flow meters for medical purposes; gas masks for medical purposes