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Individual
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Individual
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Application filed by IndividualfiledCriticalIndividual
Priority to ES1976222002UpriorityCriticalpatent/ES222002Y/en
Publication of ES222002UpublicationCriticalpatent/ES222002U/en
Application grantedgrantedCritical
Publication of ES222002YpublicationCriticalpatent/ES222002Y/en
Improved stopper, characterized essentially by the fact of being constituted by an axially displaceable guide integral with the stopper itself, disposed inside a cylindrical head and provided with a spring, whose constant pressure is exerted uniformly and because on said head is two diametrically opposed flanges have been mounted on the same and provided at their end with an inner flange for engagement with the lower part of the neck of the bottle. (Machine-translation by Google Translate, not legally binding)