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; computer software; fire-extinguishing apparatus

Installations for feeding boilers and parts thereof; feed water heaters; feed water regulators; steam boiler fittings; steam cocks; steam valves; steam traps; and pump governors

Apparatus for operating automatically switches, valves, bells, lamps, motors and the like devices; controlling and alarm apparatus and instruments for the supervision of fluids in industrial and scientific processes and in water installations and parts thereof; devices actuated upon variations in levels in containers,