180 / | HD | MOTOR VEHICLES |
167 | WITH MEANS FOR CONTROLLING OPERATION RESPONSIVE TO ELECTROMAGNETIC RADIATION, MAGNETIC FORCE, OR SOUND WAVES RECEIVED FROM SOURCE, OR REFLECTED FROM OBJECT OR SURFACE, LOCATED APART FROM VEHICLE {2} | |
168 | DF | .~> Having controlling means adapted to interact with stationary means which describes course of vehicle's travel |
169 | DF | .~> Radiation, force, or waves reflected from external object or surface |