Heat exchangers, refrigerators, air conditioners, air cooling apparatus, dehumidifiers, ventilators for industrial use; ventilating exhaust fans, and air filters and louvers for use with ventilators.

Scientific, nautical, surveying, electric, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; 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