screw type, e.g. Archimedian screw

Full Title

Vehicles characterised by having other propulsion or other ground-engaging means than wheels or endless track, alone or in addition to wheels or endless track > with ground-engaging propulsion means, e.g. walking members > screw type, e.g. Archimedian screw

Classification Context

Section:

PERFORMING OPERATIONS; TRANSPORTING

Class:

LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

Subclass:

MOTOR VEHICLES; TRAILERS