electrical and electronic switch, protection, control and measuring devices, namely, all kinds of circuit breakers, electrical and electronic switches, battery switches, integrated circuits and thick film hybrid circuits, door locking relays, time delay relays, overload relays; protective electronic locks for use with land vehicles, aircraft and water craft and parts thereof; data processors and computers and parts thereof; electrical and eletronic monitoring devices, namely, current monitors, current surge protectors for low voltage, voltage monitors; digital panel meters, level sensors, digital panel instruments which display and monitor electric current, electric voltage and/or temperature, velocity sensors, pressure sensors, current surge protectors, remote power controllers,; thermal circuit breakers; thermal-magnetic and magnetic overcurrent circuit breakers; flow measuring devices for gaseous, liquid and solid, media, namely, flow meters, flow monitors, monitoring heads for flow meters and flow transmitters for monitoring the flow rate and/or temperature