73409149
Jan 13, 1983
Jul 23, 1985
ELECTRICAL SWITCHBOARDS; ELECTRICAL PANEL BOARDS; PLUGS AND RECEPTACLES; BUS CONNECTORS, CABLE CONNECTORS AND HIGH VOLTAGE SWITCHING AND PROTECTIVE UNITS OUTDOOR AND INDOOR SUB-STATIONS AND PARTS THEREOF; BUS BAR SUPPORTS AND PARTS THEREOF ; WIRING SUPPORTS, VACUUM CIRCUIT BREAKERS; AND SWITCHGEAR ASSEMBLIES; CONTROL SWITCHES; DEAD END SPRING ATTACHMENT FOR ELECTRICAL CONDUCTORS; DISTRIBUTION TRANSFORMERS, POWER TRANSFORMERS; MOBILE TRANSFORMERS & SUBSTATIONS; AUXILIARY TRANSFORMERS COOLERS
Electrical and Scientific Apparatus