DYNAMOS, ELECTRIC MOTORS FOR AC AND DC CURRENT, RECTIFIERS, TRANSFORMERS, VOLTAGE REGULATORS, INDUCTION REGULATORS, AUTOMATIC REGULATORS, LIGHTNING ARRESTERS, CIRCUIT BREAKERS, DISCONNECTING SWITCHES, SWITCHBOARDS, SMALL SIZE SWITCHES, GENERATORS, SWITCHGEARS AND CONTROL PANELS FOR REMOTE SUPERVISORY CONTKOL EQUIPMENT; THYRISTORS, CRYSTAL OSCILLATORS, ELECTRIC RELAYS, TRANSFORMERS FOR METTERS, AND ELECTROMAGNETIC CLUTCHES