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Priority to ES1967138704UpriorityCriticalpatent/ES138704Y/en
Publication of ES138704UpublicationCriticalpatent/ES138704U/en
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Publication of ES138704YpublicationCriticalpatent/ES138704Y/en
Mixed concrete and steel beams, essentially characterized by the circumstance of having on the head of the steel beam, where they are located, the usual connectors in this structure system, a series of fences of adequate shape, in a position perpendicular to the axis of that beam, using steel rods of appropriate diameter, fences that are separated from each other, according to the demands of the work to be done. (Machine-translation by Google Translate, not legally binding)
ES1967138704U1967-06-211967-06-21
MIXED CONCRETE AND STEEL BEAM.
ExpiredES138704Y
(en)
Improvements introduced in the manufacture of beams for the forging of floors, bovedillas and other similar constructions (Machine-translation by Google Translate, not legally binding)