Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signaling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, distributing, transforming, accumulating, regulating or controlling electricity, apparatus for recording, transmission or reproduction of sound or images; magnetic recording media, sound recording disks; automatic vending machines and mechanisms for coin-operated apparatus;...

electrical switchgear, namely, gas insulated cubicles, air-insulated cubicles, withdrawable circuit breakers, gas-insulated compact modular cublicles; distribution transformers; low, medium and high voltage switchboards; transformer substations; electrical switchgear, namely, voltage bosoting devices for electric power lines; electrical switches; patch panels for housing electrical components, electrical connectors, and electrical switches; electrical connectors; electrical cables; electrical...