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Individual
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Individual
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Priority to ES98393UpriorityCriticalpatent/ES98393Y/en
Publication of ES98393UpublicationCriticalpatent/ES98393U/en
Application grantedgrantedCritical
Publication of ES98393YpublicationCriticalpatent/ES98393Y/en
An adjustable ring for loose-leaf binding, characterized in that it consists of a rubber strip of any section, comprising at one of its ends a hole or passage for it, precisely penetrate the other end of the strip, after which this has skewered the group of loose sheets that you want to bind. (Machine-translation by Google Translate, not legally binding)
ES98393U1963-03-201963-03-20
Adjustable hoop for loose-leaf binding
ExpiredES98393Y
(en)