Stone block for construction (Machine-translation by Google Translate, not legally binding)

摘要

Block of stone for the construction, of natural or artificial stone, of the type of those that form a prismatic body with a thickness of the order of eleven centimeters, equivalent to the thickness of a half-foot brick wall, to which it is intended to be replaced, characterized in that said prismatic body incorporates, in correspondence with its vertical and middle plane imaginary, a slot that affects two contiguous edges thereof, and a rib that affects two other edges. (Machine-translation by Google Translate, not legally binding)