BPT

video and intercommunication systems for building security, comprising television cameras, video monitors, electric control panels to control entry, intercoms, switchboards, transformers, power supply units, electric push-button system control panels, loudspeakers and electric plugs and sockets; electric push-button control panels for bells and buzzers, push-buttons for bells and buzzers; internal telephones and replacement parts thereof; closed circuit television systems and related accessories, comprising video signal selectors, electrical remote controllers, electrical motorized pan and tilting heads for positioning cameras, video signal distributors, line signal amplifiers; [cameras used for the photographic recording of video images on paper or film]; thermostats, remote control thermostats

[gas burning apparatus for lighting, heating, cooking or refrigerating purposes; namely, gas rings, gas lamps, gas burners and replacement parts thereof, lighters and multi-spark lighters sold as component parts of lighting units, lamps, stoves, ranges and refrigerators; electric and piezoelectric apparatus for causing gas ignition in stoves, burners, heaters]