(under subclass 722) Apparatus having rail means or some predetermined and established pathway which constrains carrier as to the route it will travel.
SEE OR SEARCH THIS CLASS, SUBCLASS:
173+, for track guided mobile tank type sprayers.
724+, for mobile irrigators with track means associated with open type supply confirming means.
739+, for mobile pipeline irrigators which are track guided.
743+, for mobile irrigators in general which are track guided.