73665013
Jun 5, 1987
Apr 25, 1989
ELECTRICAL AND ELECTRONIC APPARATUS AND COMPONENTS USED IN THE MANUFACTURE THEREOF, NAMELY, CATHODIC PROTECTION RECTIFIERS, REGULATED AND UNREGULATED AC TO DC POWER SUPPLIES AND BATTERY CHARGERS USED IN CONNECTION WITH STANDBY AND LINE CONDITIONING POWER SUPPLIES, IN THE UTILITIES, PIPELINE, ON AND OFF SHORE OIL AND GAS INSTALLATIONS AND NAVAL DEFENSE INDUSTRIES
Electrical and Scientific Apparatus