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Individual
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Individual
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Priority to ES1976222595UpriorityCriticalpatent/ES222595Y/en
Publication of ES222595UpublicationCriticalpatent/ES222595U/en
Application grantedgrantedCritical
Publication of ES222595YpublicationCriticalpatent/ES222595Y/en
Improved top characterized by comprising a substantially hemispherical piece on which a perpendicular and diametral plate is provided by dividing the upper base into two halves, arranging at the top vertex of this triangle a grooved extension to imprint movement with the fingers. (Machine-translation by Google Translate, not legally binding)