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