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Individual
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Individual
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Priority to ES0030184UpriorityCriticalpatent/ES30184Y/en
Publication of ES30184UpublicationCriticalpatent/ES30184U/en
Application grantedgrantedCritical
Publication of ES30184YpublicationCriticalpatent/ES30184Y/en
"PERFECTED BUTTERFLY", characterized by being formed with a steel plate a spherical cap, provided in its center with a perforation from which radial grooves, leading, diametrically opposite, to the sides of the cap two curved fins, which rise forming the butterfly itself, thus achieving to give it an elasticity that dampens the vibrations that may loosen it. (Machine-translation by Google Translate, not legally binding)