| 123 / | HD | INTERNAL-COMBUSTION ENGINES |
| 434 | DF | CHARGE FORMING DEVICE (E.G., POLLUTION CONTROL) {29} |
| 590 | ![]() | .~ Charge-mixing device in intake (e.g., device which insures the atomization of the combustible mixture) {3} |
| 591 | DF | .~.~> Having liquid fuel collector |
| 592 | DF | .~.~> By fan means |
| 593 | DF | .~.~> By screen means |