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Individual
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Priority to ES97844UpriorityCriticalpatent/ES97844Y/en
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Publication of ES97844YpublicationCriticalpatent/ES97844Y/en
Joinable joist for construction, characterized by consisting of a prismatic body, rectangular section, equipped with longitudinal bottom fins, determining the formation of a channel between joists when placed adjacent, having these joists, in the souls, holes of double steps aligned transversely, the tubular hollow being the prismatic body, with an oval section hollow. (Machine-translation by Google Translate, not legally binding)
ES97844U1963-02-221963-02-22
Joinable joist for construction
ExpiredES97844Y
(en)