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Priority to ES1971167751UpriorityCriticalpatent/ES167751Y/en
Publication of ES167751UpublicationCriticalpatent/ES167751U/en
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Publication of ES167751YpublicationCriticalpatent/ES167751Y/en
Improved ceramic block to form flat floor slabs of reinforced concrete in two directions, which is essentially characterized by comprising a substantially parallelepiped body, with a square floor plan, adequately hollow based on communicating cells and provided precisely on one of its upper edges, with a conformation of low-relief, which resembles a half dovetail for greater adherence-support of a piece with the concrete, while on the opposite side, forming part of the same body, there is a single open front and later whose height is less than the body, which, really, is born. (Machine-translation by Google Translate, not legally binding)
ES1971167751U1971-04-071971-04-07
CERAMIC BLOCK IMPROVED TO FORM FLOOR FORGES.
ExpiredES167751Y
(en)
Improvements introduced in the object of the main patent no. 370,963, granted by a procedure to obtain armed marble (Machine-translation by Google Translate, not legally binding)