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Individual
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Individual
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Priority to ES345903ApriorityCriticalpatent/ES345903A3/en
Publication of ES345903A3publicationCriticalpatent/ES345903A3/en
Perfections in ribbed bars of steel for concrete, preferably of a steel of great mechanical strength and high sensitivity to the notch, with oblique ribs arranged on the surface of the bar, inclined with respect to the longitudinal axis of the bar and extending almost half of the periphery of the bar, characterized in that the bar does not contain longitudinal ribs, and because the longitudinal ribs gradually make transition in the surface of the bar. (Machine-translation by Google Translate, not legally binding)
ES345903A1967-10-091967-10-09Improvements in nerved bars of steel for concrete. (Machine-translation by Google Translate, not legally binding)
ExpiredES345903A3
(en)