73495530
Aug 20, 1984
Oct 1, 1985
ELECTRICAL PROTECTIVE APPARATUS AND INSTRUMENTS, NAMELY - STATIC-OVERCURRENT RELAYS, THERMISTOR MOTOR PROTECTION RELAYS, DIRECTIONAL RELAYS AND ELECTRONIC STATIC SURGE PROTECTORS FOR ELECTRICAL EQUIPMENT OF ALL KINDS, BUT EXCLUDING THOSE WHICH ELIMINATE STATIC ELECTRICITY
Electrical and Scientific Apparatus