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Estructura rigidizante para puertas monobloque, caracterizada esencialmente porque comprende la disposición de unos son tantos verticales y de unos cabeceras horizontales que forman un conjunto autorresistente, estando los montantes verticales seccionados longitudinalmente, en tanto que el montante vertical exterior es monobloque, llevando el cabecero superior una o más ranuras transversales para facilitar la salida de gases del interior de la puerta, la que comporta un taco para colocación de cerraduras en ambos montantes interiores.
ES1973190836U1973-04-181973-04-18Estructura rigidizante para puertas monobloque.
ExpiredES190836Y
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