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Priority to ES1970184325UpriorityCriticalpatent/ES184325Y/en
Publication of ES184325UpublicationCriticalpatent/ES184325U/en
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Publication of ES184325YpublicationCriticalpatent/ES184325Y/en
Concrete ribbed slabs, essentially constituted by T-shaped traction beams, which have holes through which a spiral of wire passes in order to connect the traction beams with the compression layer. . (Machine-translation by Google Translate, not legally binding)
ES1970184325U1970-01-091970-01-09
RIBBED SLABS, OF CONCRETE.
ExpiredES184325Y
(en)