00459nam 2202523 45000010005000000030023000050050009000280080041000370820008000780720034000860200018001201000019001382600031001572500006001882450030001946500034002246500021002582523StarLibrary Marc Built20180420201711 ||||| |||||||||||amh  a621 aSignal and Power transmission a0-7506-4639-x ajoe cieszynski bNEWNES-Butterworths c2001 a2 aClosed circuit television aSignal and Power transmission aThe CCTV indstry