Regulatory rule. (Machine-translation by Google Translate, not legally binding)

摘要

Rule regulating, being designed preferably for use in carpentry and joinery, having a generally rectangular essentially characterized in that the mitas of its long sides is provided with a step (4 and 5) inland, having been provided that the first recess (6) with respect to the straight section (2) in one side, sea millimeter, and the first recess (7) with respect to the straight section (3) the other side, be two milimetros, all being setbacks remaining rebajados two millimeters from the previous immediately. (Machine-translation by Google Translate, not legally binding)