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Individual
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Individual
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Priority to ES97594UpriorityCriticalpatent/ES97594Y/en
Publication of ES97594UpublicationCriticalpatent/ES97594U/en
Application grantedgrantedCritical
Publication of ES97594YpublicationCriticalpatent/ES97594Y/en
Improved stopper characterized by having inside the sealing cylinder a plurality of longitudinal grooves that allow, without loss of strength, a greater lightness and elasticity for its perfect coupling. (Machine-translation by Google Translate, not legally binding)