73768527
Dec 8, 1988
Mar 6, 1990
APPARATUS FOR THE ACQUISITION, ANALYSIS AND TELETRANSMISSION OF DATA, USED FOR REMOTE MONITORING OF THE CATHODIC PROTECTION PARAMETERS OF NETWORKS OF PIPE USED IN THE TRANSMISSION AND DISTRIBUTION OF GAS, OIL, WATER OR TELECOMMUNICATION CABLES, OR IN THE TRANSMISSION OF ELECTRIC POWER
Electrical and Scientific Apparatus