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Priority to ES0030717UpriorityCriticalpatent/ES30717Y/en
Publication of ES30717UpublicationCriticalpatent/ES30717U/en
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Publication of ES30717YpublicationCriticalpatent/ES30717Y/en
A new device for producing sounds or voices based on wind, characterized by the fact that the wind is produced by a piston that moves by its own weight inside a tube, according to the inclination it has or communicates to the tube. (Machine-translation by Google Translate, not legally binding)
ES0030717U1952-03-261952-03-26
Device for producing sounds or voices based on wind
ExpiredES30717Y
(en)