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FRAMA SpA
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FRAMA SpA
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Application filed by FRAMA SpAfiledCriticalFRAMA SpA
Priority to ES1973197671UpriorityCriticalpatent/ES197671Y/en
Publication of ES197671UpublicationCriticalpatent/ES197671U/en
Application grantedgrantedCritical
Publication of ES197671YpublicationCriticalpatent/ES197671Y/en
Arched beam, monobloc or in one piece, preferably of vibrated concrete, characterized in that it comprises a base or lower face of flat and rectilinear shape in the longitudinal direction of the beam and a top face in the form of a vault in the direction of the axis longitudinal of the beam, the base or lower flat face and the dome-shaped face being joined by a central vertical bore of one piece with them and extending over the entire length of the beam, while said upper face having a shape of vault in the longitudinal direction is bent transversely in channel form. (Machine-translation by Google Translate, not legally binding)