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Individual
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Individual
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Priority to ES0221808ApriorityCriticalpatent/ES221808A2/en
Publication of ES221808A2publicationCriticalpatent/ES221808A2/en
Improvements introduced in the object of the main patent number 213414, granted by: system for the floor slab, characterized in that to form these are coupled to the joists prismatic vaults, which have in the lower part a recess on each side at right angles, to fit in the flange of the base of the joists and another larger one in the upper part, also on each side, that with the analog of the joist receives the concrete and its armor, which form the floor with the upper parts of the vault and the joist. (Machine-translation by Google Translate, not legally binding)
ES0221808A1955-05-141955-05-14A system for forging soils (Machine-translation by Google Translate, not legally binding)
ExpiredES221808A2
(en)