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Vigas y formas de acero poliédrico aligeradas, perfeccionadas, caracterizadas por haberse dispuesto varios cuerpos poliédricos de forma geométrica apropiada, de aristas metálicas en tubo de sección circular, que se disponen uniéndose entre sí, constituyendo una "unidad de resistencia", solidarizándose cada arista con la contigua del elemento adyacente, por medio de soldadura eléctrica y mediante una unión apropiada.
ES0065171U1957-12-051957-12-05Vigas y formas de acero poliédrico aligeradas perfeccionadas
PendingES65171U
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