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Individual
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Individual
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Priority to ES0071574UpriorityCriticalpatent/ES71574U/en
Publication of ES71574UpublicationCriticalpatent/ES71574U/en
Book binding spine and replaceable sheet pads, characterized by being composed of a piece of rigid plastic material with a curved section and a smooth surface suitable for writing on it, legends and marks of suitable character, presenting along its straight edges, fins on L to form two longitudinal guides in which are introduced by one of them a strip of open rings that also pass through their free ends inside the other guide of the rigid piece that constitutes the back itself, after crossing the aforementioned rings the corresponding holes that present the covers and the sheets of the book or book to be formed. (Machine-translation by Google Translate, not legally binding)
ES0071574U1959-02-101959-02-10Book binding spine and replaceable sheet pads (Machine-translation by Google Translate, not legally binding)
PendingES71574U
(en)
Device for the production or binding of cards, changeable book books, filing cabinets and the like. (Machine-translation by Google Translate, not legally binding)
A procedure, with its corresponding device, for sharpening the edge on flexible steel sheets (Machine-translation by Google Translate, not legally binding)
Manufacture of sheets for album and sample book intended to contain postcards and engravings in general. (Machine-translation by Google Translate, not legally binding)