| 60 / | HD | POWER PLANTS |
| 597 | DF | FLUID MOTOR MEANS DRIVEN BY WASTE HEAT OR BY EXHAUST ENERGY FROM INTERNAL COMBUSTION ENGINE {5} |
| 620 | DF | .~ Fluid motor means is expansible chamber type with movable parts of motor and engine being interconnected {3} |
| 623 | | .~.~ Fluid motor is rotary type |