[ Batteries; Battery chargers; Cabinets for loudspeakers; Cameras; Computer peripheral devices; Computer operating programs; ] Electric door bells; Electro-dynamic apparatus for the remote control of signals; [ Monitor signal amplifiers; Monitoring devices for monitoring battery performance characteristics; Pince-nez; Radios; Semiconductor chips; Semiconductor devices; Semiconductors; Solenoid valves; Surveying chains; Surveying instruments; Switch boxes; ] Switches, electric; Theft alarms; [...