310 / | HD | ELECTRICAL GENERATOR OR MOTOR STRUCTURE |
10 | DF | DYNAMOELECTRIC {5} |
40 R | DF | .~ Rotary {28} |
254 | .~.~ Stator structure {4} | |
255 | DF | .~.~.~> For railway-type machines |
256 | DF | .~.~.~> Stray field flux loss prevention |
257 | DF | .~.~.~> Interfitting or claw-tooth stators |
258 | DF | .~.~.~> Frame and core type {2} |