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Priority to ES1968138381UpriorityCriticalpatent/ES138381Y/en
Publication of ES138381UpublicationCriticalpatent/ES138381U/en
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Publication of ES138381YpublicationCriticalpatent/ES138381Y/en
A folder for drawing with built-in "paralex" rule, characterized by being constituted by several independent compartments, within its own set, being able to be closed by folding down the lateral compartments on the central, and having been provided in one of them the disposition of a "paralex" rule mounted on the corresponding rivets and on a background of suitable material, whose rule maintains the ability to slide parallel to itself, for which purpose it is provided with the necessary translation system, which can be any of the currently known . (Machine-translation by Google Translate, not legally binding)
ES1968138381U1968-05-021968-05-02
A FOLDER FOR DRAWING WITH INCORPORATED PARALEX RULE.
ExpiredES138381Y
(en)