A new system for the construction of rooftops (Machine-translation by Google Translate, not legally binding)

摘要

New system of construction of roofs, characterized by the arrangement of a series of beams armed with iron rods, whose rods are joined by the upper part to the trestle and the lower part to the wall elements, intermediate exits have been foreseen for its link with the respective belts. (Machine-translation by Google Translate, not legally binding)