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Priority to ES109093UpriorityCriticalpatent/ES109093Y/en
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Publication of ES109093YpublicationCriticalpatent/ES109093Y/en
New stopper composed of two pieces, characterized in that one of them offers a knurled driving head underneath which originates a hollow cylindrical body that on its surface of revolution offers a thread having around the birth of this cylindrical horn a circular test parallel to that which leaves between them one. Annular cavity to receive a flange of equal invoice that rises in the upper part or the second piece surrounding the mouth of a through hole that opens in a plateau that is resolved in a stepped flange and whose hole constitutes the beginning of a tubular conduit of walls of increasing thickness and decreasing diameter towards its lower end also open. (Machine-translation by Google Translate, not legally binding)
ES109093U1964-10-261964-10-26
A NEW PLUG.
ExpiredES109093Y
(en)