318 / | HD | ELECTRICITY: MOTIVE POWER SYSTEMS |
727 | DF | INDUCTION MOTOR SYSTEMS {12} |
739 | DF | .~ Reversing {5} |
749 | DF | .~.~ Operating from a single phase source {3} |
753 | DF | .~.~.~ With de-energizable start winding {2} |
754 | .~.~.~.~ With separate winding or winding portion energized for each direction of rotation |