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ASUNCION M
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ASUNCION M
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Priority to ES0043289UpriorityCriticalpatent/ES43289U/en
Publication of ES43289UpublicationCriticalpatent/ES43289U/en
Oscillating backrest for chairs and armchairs, essentially characterized by being constituted by two stringers joined together to the rear legs of the frame of the seat itself, so that it can oscillate by itself with respect to this, being made its assembly precisely by the lower end of the stringers of the backrest and that of the said rear legs, and thereby achieving that said backrest automatically adapts and by the same to the position adopted by the seated person and returns to its primitive position when the pressure naturally exerted by it ceases. (Machine-translation by Google Translate, not legally binding)
ES0043289U1954-07-221954-07-22Oscillating backrest for chairs and armchairs (Machine-translation by Google Translate, not legally binding)
PendingES43289U
(en)