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Individual
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Individual
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Priority to ES0027844UpriorityCriticalpatent/ES27844Y/en
Publication of ES27844UpublicationCriticalpatent/ES27844U/en
Application grantedgrantedCritical
Publication of ES27844YpublicationCriticalpatent/ES27844Y/en
Improved phono-kinematic device, characterized by a metal bridge or other material, adapted to the upper part of the sound box and provided with a hole in its upper central part. (Machine-translation by Google Translate, not legally binding)