ES205805A1 - Procedure and apparatus for the treatment of concrete armours (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure and apparatus for the treatment of concrete armours (Machine-translation by Google Translate, not legally binding)
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BARREDO DE VALENZUELA RICARDO
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BARREDO DE VALENZUELA RICARDO
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Priority to ES205805ApriorityCriticalpatent/ES205805A1/en
Publication of ES205805A1publicationCriticalpatent/ES205805A1/en
Procedure for the prestressing of concrete reinforcements characterized in that the tensioning process of the wires is subdivided into two phases: the first pre-tensioning of each wire by auxiliary winch and the second of final tension by means of the tensioning machine itself. (Machine-translation by Google Translate, not legally binding)
ES205805A1952-10-151952-10-15Procedure and apparatus for the treatment of concrete armours (Machine-translation by Google Translate, not legally binding)
ExpiredES205805A1
(en)
A procedure for the production of tapes, wires, tubes or similar sinfin made of iron powder (Machine-translation by Google Translate, not legally binding)