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Individual
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Individual
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Priority to ES0061799UpriorityCriticalpatent/ES61799U/en
Publication of ES61799UpublicationCriticalpatent/ES61799U/en
A roller-hinged metal closure, characterized in that at the ends of each of the joints formed by the curvatures of the longitudinal edges of the slats, a bolt is inserted concentrically to the ideal axis of said curvatures, this bolt being provided with a Robust head whose perimeter coincides, at least in part, with the edge of the edge of one of the curvatures to which it is welded so that said head fits in the guide through which the closure runs. (Machine-translation by Google Translate, not legally binding)
ES0061799U1957-09-141957-09-14A roll-up hinged metal closure (Machine-translation by Google Translate, not legally binding)
PendingES61799U
(en)
Improved beater with reinforced profile in its angles and retention braces for doors and windows (Machine-translation by Google Translate, not legally binding)