78464227
Aug 9, 2004
Jul 11, 2006
microwave frequency detectors; outside microwave frequency barriers comprising microwave receiver and microwave transmitter; electronic locks and controls; telephone transmitters; point to point transmitters-receivers; outside and inside self-protected electronic sirens; power supplies for [ batter] * battery * chargers; electric cables, batteries and parts therefor; infrared detectors; electronic burglar and fire control panels
Electrical and Scientific Apparatus