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Priority to ES1972183903UpriorityCriticalpatent/ES183903Y/en
Publication of ES183903UpublicationCriticalpatent/ES183903U/en
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Publication of ES183903YpublicationCriticalpatent/ES183903Y/en
Steel bar for concrete reinforcement, of the type comprising four longitudinal fins, trapezoidal section, with a suitable helical inclination to the right, equidistant and diametrically opposed, characterized because between two fins, diametrically opposed, and in each of the semi-cylindrical sectors that determine, there is a succession of transverse and parallel projections, inclined with respect to said fins, leaving all the projections of both sectors inclined from right to left, separated from each other at a distance equivalent to three quarters of the diameter of the bar . (Machine-translation by Google Translate, not legally binding)
ES1972183903U1972-09-161972-09-16
STEEL BAR FOR REINFORCING CONCRETE
ExpiredES183903Y
(en)