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.
magnetic heads and multiple head assemblies, namely, magnetic recording heads, magnetic read/write transducers, magnetic diskheads, rigid heads, composite disk heads, thin-film disk heads, head/arm assemblies, head/gimbal assemblies, magnetic tape heads, digital heads, analog tape heads, ferrite tape heads, thin-film tape heads, tape head assemblies, magnetic stripe heads, optical disk heads, optical disk head assemblies; magnetic head test apparatus, magnetic head test apparatus, magnetic media test apparatus, and parts therefor