| 310 / | HD | ELECTRICAL GENERATOR OR MOTOR STRUCTURE |
| 10 | DF | DYNAMOELECTRIC {5} |
| 40 R | DF | .~ Rotary {28} |
| 261 | ![]() | .~.~ Rotor structure {5} |
| 262 | DF | .~.~.~> High-speed rotor type |
| 263 | DF | .~.~.~> Interfitting or claw tooth rotors |
| 264 | DF | .~.~.~> Armatures {5} |
| 270 | DF | .~.~.~> End turn supports |
| 271 | DF | .~.~.~> Banding |