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Individual
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Individual
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Priority to ES1978234988UpriorityCriticalpatent/ES234988U/en
Publication of ES234988UpublicationCriticalpatent/ES234988U/en
Improved closing device for containers, essentially characterized in that the interior and upper part of the container, in a situation parallel to its free edge, has grooves of appropriate profile, determining a rational reduction. Of the diameter of the container itself, which facilitates the tight fitting of a lid, whose neck may have an annular area smooth or grooved in a parallel direction and whose flanges form a tongue and groove closure. (Machine-translation by Google Translate, not legally binding)
ES1978234988U1978-03-291978-03-29Perfected closure device for packaging. (Machine-translation by Google Translate, not legally binding)
PendingES234988U
(en)