An improved metallic cabinet. (Machine-translation by Google Translate, not legally binding)

摘要

An improved metal cabinet, essentially characterized by structuring its closing walls by means of two casings successively arranged, determining an intermediate chamber, which is partially filled, in the direction of its thickness, with a material of insulating and incombustible properties attached to the internal beam of the outer envelope. (Machine-translation by Google Translate, not legally binding)