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Individual
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Individual
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Priority to ES0208575UpriorityCriticalpatent/ES208575U/en
Publication of ES208575UpublicationCriticalpatent/ES208575U/en
Sealing gasket for bottle caps, perfected, essentially characterized in that it is constituted by a flexible and transparent laminar body which, seated on the bottom of the stopper, presents, on the face in contact with the front of the mouth of the bottle, an area central in which a concentric flute has been practiced around a central point which, by the proximity of the grooves, determines an optical frame constitutive of a lens capable of being integrated into an optical instrument. (Machine-translation by Google Translate, not legally binding)
ES0208575U1974-12-201974-12-20Sealing board for perfected bottle plugs (Machine-translation by Google Translate, not legally binding)
PendingES208575U
(en)