123 / | HD | INTERNAL-COMBUSTION ENGINES |
434 | DF | CHARGE FORMING DEVICE (E.G., POLLUTION CONTROL) {29} |
445 | DF | .~ Fuel injection system {5} |
446 | DF | .~.~ Fuel pump flow regulation {4} |
448 | .~.~.~ Sequential distributor {3} | |
449 | DF | .~.~.~.~> Rotary and reciprocating distributor |
450 | DF | .~.~.~.~> Rotary distributor |
451 | DF | .~.~.~.~> Reciprocating distributor |