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Sistemas Audiovisuales S A (sistasa)
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Sistemas Audiovisuales S A (sistasa)
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Application filed by Sistemas Audiovisuales S A (sistasa)filedCriticalSistemas Audiovisuales S A (sistasa)
Priority to ES1970161236UpriorityCriticalpatent/ES161236Y/en
Publication of ES161236UpublicationCriticalpatent/ES161236U/en
Application grantedgrantedCritical
Publication of ES161236YpublicationCriticalpatent/ES161236Y/en
Musical blackboard characterized by comprising: a front panel in which musical notes are written being reproduced by the corresponding speakers to bass of an electronic device, by pressing on them with a metal baton or by hand holding said baton with the other. (Machine-translation by Google Translate, not legally binding)