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Priority to ES0058270UpriorityCriticalpatent/ES58270Y/en
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Publication of ES58270YpublicationCriticalpatent/ES58270Y/en
Toy sound roller, characterized essentially by the fact that it is constituted by a hollow cylinder rotating around a fixed axis supported by a fork integral with a driving handle, inside of which cylinder are mounted integrally to the fixed shaft a series of elastic hammers against which, when the cylinder rotates, a series of acoustic vibratory elements, which are in solidarity with the cylinder itself, acting at the same time as a sounding board, collide. (Machine-translation by Google Translate, not legally binding)
ES0058270U1957-01-181957-01-18
Toy sound roller
ExpiredES58270Y
(en)