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Individual
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Individual
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Priority to ES99147UpriorityCriticalpatent/ES99147U/en
Publication of ES99147UpublicationCriticalpatent/ES99147U/en
A crown-type plug characterized by the fact that they are practiced starting from its circular periphery and encompassing the lateral fin, two radial notches that, forming an approximate angle of 120º, penetrate the upper face of the plug in an amount smaller than half the radius, and having adapted in its concavity, a piece of suitably elastic and resistant material, preferably plastic, in which an upper circular fin is configured whose diameter is slightly greater than that of the upper face of the cap covering below said notches, and a cylindrical and closed central prominence from which a narrow circular fin protrudes laterally. (Machine-translation by Google Translate, not legally binding)
ES99147U1963-04-201963-04-20Crown type plug (Machine-translation by Google Translate, not legally binding)
PendingES99147U
(en)