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Individual
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Priority to ES1969166419UpriorityCriticalpatent/ES166419Y/en
Publication of ES166419UpublicationCriticalpatent/ES166419U/en
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Publication of ES166419YpublicationCriticalpatent/ES166419Y/en
Grid for floors, characterized essentially by the fact of comprising two main series of plates parallel to each other and perpendicular in turn those of one series with respect to those of the other, the plates of each series being provided with cross sections on opposite edges, by which the plates of both series are coupled together, the cuts being provided with widening formed at different heights, in which the material of the housed plates is knotted, by upsetting. (Machine-translation by Google Translate, not legally binding)
ES1969166419U1969-03-181969-03-18
GRILL FOR FLOORS.
ExpiredES166419Y
(en)