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Un juego de piezas para el forjado de pisos reticulares, caracterizado por incorporar una placa-base de lados ortogonales, y una pieza tronco-piramidal, que, a más de hueca y cerrada por la parte superior, va sólidamente recibida sobre dicha placa-base por sus bordes, asimismo en escuadra.
ES0155575U1970-02-031970-02-03Un juego de piezas para el forjado de pisos reticulares
PendingES155575U
(es)