73467623
Feb 27, 1984
Jun 17, 1986
ELECTRICAL POWER EQUIPMENT FOR COMPUTERS, NAMELY, UNINTERRUPTIBLE POWER SUPPLIES (UPS), ELECTRICAL POWER FREQUENCY CONVERTERS, ELECTRICAL POWER CONDITIONERS (VOLTAGE SURGE SUPPRESSORS, VOLTAGE REGULATORS, ELECTRICAL NOISE FILTERS, ELECTRICAL ISOLATORS), ELECTRICAL POWER DISTRIBUTION UNITS (PDU), AND ELECTRICAL BATTERIES (FOR BACKUP DURING POWER OUTAGES)
Electrical and Scientific Apparatus