PERMALOG

DETECTORS FOR DETECTING LEAKS IN PIPES AND FOR LOCATING THE POSITION OF LEAKS IN PIPES, ACOUSTIC MONITORING TRANSDUCERS FOR DETECTING LEAKS IN PIPES AND FOR LOCATING THE POSITIONS OF LEAKS IN PIPES; RADIO RECEIVERS AND COMPUTER SOFTWARE FOR USE WITH DETECTORS AND ACOUSTIC MONITORING TRANSDUCERS WHICH DETECT LEAKS IN PIPES AND LOCATE THE POSITION OF LEAKS IN PIPES