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Priority to ES1973198232UpriorityCriticalpatent/ES198232Y/en
Publication of ES198232UpublicationCriticalpatent/ES198232U/en
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Publication of ES198232YpublicationCriticalpatent/ES198232Y/en
Improved stopper, preferably applicable to bottles with a concave curved neck, which is essentially characterized by having a short handle attached to a circular closing disc, which extends centrally on its other side in a cylindrical body, from whose lower free end a side is born series of flexible fins producing the closing pressure, this set constituting a monobloc piece. (Machine-translation by Google Translate, not legally binding)