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.
seismic detection and data acquisition instruments
42
Scientific and technological services and research and design relating thereto; industrial analysis and research services; design and development of computer hardware and software
providing services in the field of exploration for oil and gas, namely, conducting geophysical surveys, data acquisition and analysis; design of seismic acquisition parameters, models or plans for acquiring seismic data; seismic data acquisition, processing and analysis