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Priority to ES1970159254UpriorityCriticalpatent/ES159254Y/en
Publication of ES159254UpublicationCriticalpatent/ES159254U/en
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Publication of ES159254YpublicationCriticalpatent/ES159254Y/en
Improved vault, formed by a piece of symmetrical hollow ceramic material in its two halves with its upper and lower flat sides, extending the lower one superiorly through two vertical sections, which after a small section substantially horizontal links with a convex bend that after a vertical stretch and curved-convex top links with the upper face. (Machine-translation by Google Translate, not legally binding)