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Priority to ES1971167072UpriorityCriticalpatent/ES167072Y/en
Publication of ES167072UpublicationCriticalpatent/ES167072U/en
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Publication of ES167072YpublicationCriticalpatent/ES167072Y/en
Device for tuning string instruments characterized by being constituted by a crank provided with an oval section extension, coinciding with its normal axis of rotation, in which there is a cavity of elongated section and parallel side walls intended to accommodate the head of the pin corresponding to the string to be tuned, so that when turning the device by way of a crank, the pin rotates coupled to it. (Machine-translation by Google Translate, not legally binding)
ES1971167072U1971-03-171971-03-17
DEVICE FOR TUNING STRING INSTRUMENTS.
ExpiredES167072Y
(en)