Improvements in grades (Machine-translation by Google Translate, not legally binding)

摘要

Perfeccionamientos in tiers, characterized by having provided a machine that consists of an articulated chassis and two arms of hook, articulately, to a cultivator, so that several angular positions of work are allowed, as well as the joint work of all the pieces, and the independent work of each of them, at will. (Machine-translation by Google Translate, not legally binding)