| 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} |
| 176 | ![]() | .~.~ And electrical quantities comparison means for development of input pressure |