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Individual
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Individual
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Priority to ES09700732UpriorityCriticalpatent/ES1036755U/en
Publication of ES1036755UpublicationCriticalpatent/ES1036755U/en
"perfected book", of the type used in spiral and double spiral bookcases, essentially characterized by being constituted by a separator (2) consisting of a sheet of plastic material, equipped with a slightly lowered eye (3), which all the lateral of clamping, is equipped with a project in the form of "T" (4) consecutively disposed, generating a quadrangular hole (5) for the step of the double spiral, acquiring these outputs in both extreme a "L" shape inverted (Machine-translation by Google Translate, not legally binding)
ES09700732U1997-03-201997-03-20Improved notebook. (Machine-translation by Google Translate, not legally binding)
CeasedES1036755U
(en)