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Priority to ES1981270896UpriorityCriticalpatent/ES270896Y/es
Publication of ES270896UpublicationCriticalpatent/ES270896U/es
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Publication of ES270896YpublicationCriticalpatent/ES270896Y/es
ES1981270896U1981-12-041981-12-04Equipo para la ensenanza de la escritura y lectura a personas afectadas de trastornos motrices y psicomotrices.
ExpiredES270896Y
(es)