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Individual
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Individual
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Priority to ES0040915UpriorityCriticalpatent/ES40915Y/en
Publication of ES40915UpublicationCriticalpatent/ES40915U/en
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Publication of ES40915YpublicationCriticalpatent/ES40915Y/en
A perfected flat tile, essentially consisting of a rectangular or square plate, one of whose edges forms a perpendicular flange at right angles to the rest of the plate and on one of the sides adjacent said flange a longitudinal corrugation or channel, one of whose ends are enlarged by the internal part, while the other end is a little narrower on the outside and on the opposite side of this ripple the tile forms a small curved rise to lodge inside the ripple or channel of the next tile. (Machine-translation by Google Translate, not legally binding)