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Individual
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Individual
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Priority to ES0070249UpriorityCriticalpatent/ES70249U/en
Publication of ES70249UpublicationCriticalpatent/ES70249U/en
A school tablet, characterized by the fact that the writing board itself is supported by a molded frame, in such a way that two of its opposite lateral sides are wider than the other two; in one of these wider sides they appear molded to the air, that is in lattice, the letters of the alphabet, arranged in two contiguous rows; on the opposite side, it presents another row with the ten numbers aligned and also molded in lattice; and adjacent to this alignment an elongated port is arranged, with a wire stretched along its length that carries a number of balls strung; these balls can slide along the wire and in either direction. (Machine-translation by Google Translate, not legally binding)
ES0070249U1958-11-291958-11-29A school tablet (Machine-translation by Google Translate, not legally binding)
PendingES70249U
(en)