180 / | HD | MOTOR VEHICLES |
170 | DF | WITH MEANS RESPONSIVE TO SPEED OF VEHICLE FOR MAINTAINING SPEED AT, OR PREVENTING IT FROM EXCEEDING, A PARTICULAR VALUE {4} |
175 | DF | .~ Including fluid pressure actuated servomechanism {2} |
177 | ![]() | .~.~ And one or more electrical components for establishing or regulating input pressure |