| 60 / | HD | POWER PLANTS |
| 597 | DF | FLUID MOTOR MEANS DRIVEN BY WASTE HEAT OR BY EXHAUST ENERGY FROM INTERNAL COMBUSTION ENGINE {5} |
| 614 | DF | .~ Having fluid motor motive fluid treating, controlling or conditioning means {3} |
| 619 | ![]() | .~.~ Having means to add a diverse fluid to combustion products |