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.
laboratory beaker-like vessel(s) and/or tank(s) characterized by an interior substantially upwardly-facing bottom surface extending arcuately upwardly having an enlarged bottom diameter decreased gradually to an upper lesser diameter thereof, characterized as having inhanced homogenous and complete mixing capabilities therein within liquid, of solid(s) and/or other liquid(s)