| 310 / | HD | ELECTRICAL GENERATOR OR MOTOR STRUCTURE |
| 10 | DF | DYNAMOELECTRIC {5} |
| 40 R | DF | .~ Rotary {28} |
| 52 | DF | .~.~ Cooling or fluid contact {6} |
| 58 | DF | .~.~.~ Circulation {3} |
| 64 | ![]() | .~.~.~.~ Heat-exchange structure {1} |
| 65 | DF | .~.~.~.~.~> Spacers (e.g., laminae, coils, etc.) |