Ploughs supported partly by tractor and partly by their own wheels

Full Title

Ploughs with fixed plough-shares > Ploughs supported partly by tractor and partly by their own wheels

Classification Context

Section:

HUMAN NECESSITIES

Class:

AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING

Subclass:

SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL