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Individual
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Priority to ES112014UpriorityCriticalpatent/ES112014Y/en
Publication of ES112014UpublicationCriticalpatent/ES112014U/en
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Publication of ES112014YpublicationCriticalpatent/ES112014Y/en
A lightened piece of concrete for slabs characterized by being constituted by a plate of great dimension in whose body have been made longitudinal holes of suitable shape and size that occupy most of the same having foreseen that the castings of these pieces have two longitudinal projections as prolongation of its upper and lower surfaces, the lower one being more outstanding than the upper one and both rectangular with the surface and converging toward the side wall, which has a straight central part on the side of this side. (Machine-translation by Google Translate, not legally binding)
ES112014U1965-03-121965-03-12
A LIGHTENED PIECE OF CONCRETE FOR FLOORS.
ExpiredES112014Y
(en)