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Individual
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Priority to ES0071794UpriorityCriticalpatent/ES71794Y/en
Publication of ES71794UpublicationCriticalpatent/ES71794U/en
Application grantedgrantedCritical
Publication of ES71794YpublicationCriticalpatent/ES71794Y/en
New device for binding sheets of paper or similar materials, characterized in that it is constituted by a strip provided along its entire length of equidistant transverse rings, intended to pass through holes made in the edge of the block of sheets to be bound. , in such a way that because the rings are flattened, the sheets of the block can be opened and the first ones placed behind the latter, without any prominence of the described fastening device, which remains permanently crushed. (Machine-translation by Google Translate, not legally binding)
ES0071794U1959-02-211959-02-21
Device for binding sheets of paper or similar materials
ExpiredES71794Y
(en)