60 / | HD | POWER PLANTS |
325 | DF | PRESSURE FLUID SOURCE AND MOTOR {47} |
435 | DF | .~ Having a mechanical clutch or brake device in the power train {5} |
439 | DF | .~.~ Device acts on intermediate reactive rotor to modify speed ratio or direction {1} |
440 | .~.~.~ Condition or direction responsive device |