Resumen
Floor slab for floor slabs, consisting of a hollow ceramic piece of straight prismatic configuration, square plan, with bases (1 and 2) flat and parallel and open by two of its opposite walls, between which pass walls (3) perpendicular to said bases, characterized in that it presents, from two of the opposite longitudinal edges, one upper and one lower, two lateral steps (4 and 5) equal and directed in opposite directions, while from one of its bases presents a channel longitudinal central section (9) greater than that of the mentioned steps. (Machine-translation by Google Translate, not legally binding)