| 310 / | HD | ELECTRICAL GENERATOR OR MOTOR STRUCTURE |
| 10 | DF | DYNAMOELECTRIC {5} |
| 40 R | DF | .~ Rotary {28} |
| 66 | ![]() | .~.~ With other elements {7} |
| 67 R | DF | .~.~.~> Inbuilt or incorporated unit {1} |
| 68 R | DF | .~.~.~> Electric circuit elements {9} |
| 74 | DF | .~.~.~> Inertia or fly-wheel device |
| 75 R | DF | .~.~.~> Drive mechanism {9} |
| 85 | DF | .~.~.~> Mechanical shields or protectors {4} |
| 90 | DF | .~.~.~> Bearing or air-gap adjustment or bearing lubrication {1} |
| 91 | DF | .~.~.~> Supports |