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Individual
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Individual
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Priority to ES101770UpriorityCriticalpatent/ES101770U/en
Publication of ES101770UpublicationCriticalpatent/ES101770U/en
Sealing plug characterized by being essentially constituted by a hollow part forming a bellows that by its two cylindrical ends joins the cap forming a light cylindrical extension next to it that rests against the external face of the container neck completing the seal in combination with the pressure inside of said piece-bellows. (Machine-translation by Google Translate, not legally binding)
ES101770U1963-10-071963-10-07Shutter plug (Machine-translation by Google Translate, not legally binding)
PendingES101770U
(en)