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Priority to ES0057647UpriorityCriticalpatent/ES57647Y/en
Publication of ES57647UpublicationCriticalpatent/ES57647U/en
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Publication of ES57647YpublicationCriticalpatent/ES57647Y/en
"SEAT WITH PUPITER FOR GRADERºAS", which is characterized by being made up of a pair of equal tubes that support the backrest, the seat and the board of the desk, the first two of plasticized wood curved properly and attached to the tubes by special pieces , of which the one corresponding to the seat carries out the automatic elevation of the same when the weight of the user ceases. (Machine-translation by Google Translate, not legally binding)
ES0057647U1956-12-131956-12-13
Seat with desk for bleachers
ExpiredES57647Y
(en)