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Individual
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Individual
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Priority to ES1977229252UpriorityCriticalpatent/ES229252U/en
Publication of ES229252UpublicationCriticalpatent/ES229252U/en
Improved airtight cap, characterized in that it comprises a capsule or body inside which a spring is housed, at the lower end of which a conical piece is provided, sliding internally in the first one, which effects the closing through an elastic joint. (Machine-translation by Google Translate, not legally binding)
ES1977229252U1977-06-131977-06-13Hermetic plug perfected (Machine-translation by Google Translate, not legally binding)
PendingES229252U
(en)