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Individual
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Individual
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Priority to ES0065624UpriorityCriticalpatent/ES65624U/en
Publication of ES65624UpublicationCriticalpatent/ES65624U/en
A PLUG WITH INCORPORATED SHUTTER, which is characterized by that is constituted by a threaded bowl on its inner walls, in the center of whose base has a convex prominence in the form of a spherical cap, which when attached to the mouth of bottles and jars isolates the contents of the container from the outside, and makes a hermetic seal. (Machine-translation by Google Translate, not legally binding)
ES0065624U1958-04-221958-04-22A plug with built-in shutter (Machine-translation by Google Translate, not legally binding)
PendingES65624U
(en)