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Individual
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Individual
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Application filed by IndividualfiledCriticalIndividual
Priority to ES1967130094UpriorityCriticalpatent/ES130094Y/en
Publication of ES130094UpublicationCriticalpatent/ES130094U/en
Application grantedgrantedCritical
Publication of ES130094YpublicationCriticalpatent/ES130094Y/en
Cover for erasers, which is characterized by the fact that it consists of a box open at its ends and shaped so that it fits snugly part of the eraser, whose box is graspable to use the portion of rubber protruding and it is provided, on one of its faces with a sheet having graphics formed by groups of parallel lines to which a transparent and birefringent striated plate is superimposed, so that said graphics acquire virtual movements when the box is moved. (Machine-translation by Google Translate, not legally binding)
ES1967130094U1967-05-061967-05-06
CASE FOR ERASERS.
ExpiredES130094Y
(en)