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Individual
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Individual
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Priority to ES0220975UpriorityCriticalpatent/ES220975U/en
Publication of ES220975UpublicationCriticalpatent/ES220975U/en
Improved stop wall, characterized by constituting a composite body, comprising an internal cylindrical block, axially drilled and provided with vertical radial walls that are joined to the outer wall of frustoconical configuration, particularizing itself to present at a point of its lower edge a removable complement, formed by a circular insert, intended to plug the analogous circular groove, open in the upper base, to give way to the fixing pin of the stopper. (Machine-translation by Google Translate, not legally binding)
ES0220975U1976-05-141976-05-14Butt plug perfected (Machine-translation by Google Translate, not legally binding)
PendingES220975U
(en)