Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Duro-Felguera Sa
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Duro-Felguera Sa
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Application filed by Duro-Felguera SafiledCriticalDuro-Felguera Sa
Priority to ES1982266883UpriorityCriticalpatent/ES266883Y/en
Publication of ES266883UpublicationCriticalpatent/ES266883U/en
Application grantedgrantedCritical
Publication of ES266883YpublicationCriticalpatent/ES266883Y/en
Improved tresillon tubes, essentially characterized by the fact that the ends of the tubes are crushed at both ends for a determined length by the effort they have to transmit and that in this crushed area one or two holes of suitable diameter are made. (Machine-translation by Google Translate, not legally binding)