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Ediciones Jover S A
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Ediciones Jover S A
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Application filed by Ediciones Jover S AfiledCriticalEdiciones Jover S A
Priority to ES123564UpriorityCriticalpatent/ES123564Y/en
Publication of ES123564UpublicationCriticalpatent/ES123564U/en
Application grantedgrantedCritical
Publication of ES123564YpublicationCriticalpatent/ES123564Y/en
Pedagogic graphic device characterized by being constituted by a base sheet of sufficient consistency and rigidity in which at its center an axis piece is inserted on which two discs can be rotated applied to both sides of said sheet, with a window in each sector being provided on each disc circular of greater or lesser amplitude in function of the needs of each case that allow to see the corresponding zone of the sheet that remains hidden by each disc having combined of such form the position of said window with an index that marks on the periphery of the same one that get the question on which is left such an index finds its response in the area discovered by the window. (Machine-translation by Google Translate, not legally binding)
Set of containers, with, at least, two pieces with border of subjection, in special set of containers to serve. (Machine-translation by Google Translate, not legally binding)
Improvements introduced in the manufacture of covers for objects in the form of discs or plate (Machine-translation by Google Translate, not legally binding)