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Individual
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Individual
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Priority to ES1968161658UpriorityCriticalpatent/ES161658Y/en
Publication of ES161658UpublicationCriticalpatent/ES161658U/en
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Publication of ES161658YpublicationCriticalpatent/ES161658Y/en
A joist for construction, perfected, characterized essentially by being constituted by a shaft of general rectangular shape, the. Which presents its ends provided with expansions, of. Which, the upper one, is narrower than the lower one, the first of them being a body formed by a horizontal upper plane, of each of whose longitudinal edges, three straight symmetrical planes are projected downwards, of which, the upper one, is substantially vertical, the inclined intermediate, and, the lower, also inclined, and smaller than the above, ending at the lateral edges of the upper end of the shaft, while the lower expansion affects the general section of a rectangle of minor sides of short length, and whose upper major side was substantially curved-convex. (Machine-translation by Google Translate, not legally binding)
ES1968161658U1968-03-201968-03-20
A JOIST FOR CONSTRUCTION, PERFECTED.
ExpiredES161658Y
(en)