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Priority to ES115517UpriorityCriticalpatent/ES115517Y/en
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Publication of ES115517YpublicationCriticalpatent/ES115517Y/en
Improved vault characterized by being constituted essentially by a molded piece with four hollow cavities and the flat upper face eliminating the need to make the filling layer and presenting in its two lateral ends a slight curvature and an angular shape in its lower vertex to facilitate its coupling on the corresponding joist. (Machine-translation by Google Translate, not legally binding)