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Individual
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Individual
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Priority to ES114447UpriorityCriticalpatent/ES114447Y/en
Publication of ES114447UpublicationCriticalpatent/ES114447U/en
Application grantedgrantedCritical
Publication of ES114447YpublicationCriticalpatent/ES114447Y/en
Base that is characterized in that it comprises a rectangular frame on whose sides are formed a plurality of aligned holes in which are fixed the ends of springs which at their opposite end are fixed a plurality of links attached two to two at the end of rigid strips of which the ends are joined to the ends of the frame by means of separate transverse links. (Machine-translation by Google Translate, not legally binding)