9
Optical devices; optical communication device; optical fibers; optical fiber [light conducting filaments]; optical cables; optical apparatus and instruments; scientific apparatus and instruments; nautical apparatus and instruments; surveying apparatus and instruments; electric apparatus and instruments; photographic apparatus and instruments, cinematographic apparatus and instruments; weighing apparatus and instruments; measuring apparatus and instruments; signalling apparatus and instruments; checking (supervision) apparatus and instruments; life-saving apparatus and instruments; teaching apparatus and instruments; sound recording apparatus; compact disc [audio-video]; apparatuses for recording, transmission or reproduction of sound or images; and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; fire extinguishing apparatus; cash registers; automatic vending machine; mechanisms for coin-operated apparatus; calculating machines; data processing apparatus; computers; magnetic data carriers; magnetic recording discs; data processing equivalent; computers