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Un nuevo bloque de hormigón de cemento para el forjado de pisos en la construcción de edificios, caracterizado por su planta romboidal, cuya dimensión menor (a c) es perpendicular a los lados (ad y bc) estando construido en sección de doble T, llevando en su parte media tres o más huecos, separados por unas palomillas (s t) en número variable, que sirven para sostén y mayor refuerzo de las alas (p r).
ES0005136U1937-05-111937-05-11Nuevo bloque de hormigón de cemento para el forjado de pisos en la construcción de edificios.
ExpiredES5136Y
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