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Priority to ES91286UpriorityCriticalpatent/ES91286Y/en
Publication of ES91286UpublicationCriticalpatent/ES91286U/en
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Publication of ES91286YpublicationCriticalpatent/ES91286Y/en
By a new sound generating device based on phonic discs, characterized essentially by being constituted by sets or elements that each contain essentially a rotating disc between two fixed plates, equidistant, which have on their internal face in front of the disc strokes or elements of surface, metallic, profile and specific placement, depending on the desired sounds, these elements are not symmetrical in relation to the rotor disk or analyzer. (Machine-translation by Google Translate, not legally binding)
ES91286U1962-02-061962-02-06
Sound generating device based on phonic discs
ExpiredES91286Y
(en)