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Individual
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Individual
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Priority to ES1973191819UpriorityCriticalpatent/ES191819Y/en
Publication of ES191819UpublicationCriticalpatent/ES191819U/en
Application grantedgrantedCritical
Publication of ES191819YpublicationCriticalpatent/ES191819Y/en
Improved device for acoustic effect, characterized by understanding, a fancy knife to which this system has been adopted in imitation of the classic ratchet of the old knives, in order to imitate its characteristic noise produced by it being achieved in this case by arranging, integral with the blade, at its base and coaxial with its axis of rotation, a wheel with seven or another number of peripheral grooves in which it is introduced by striking a steel ball that presses by a radially coiled spring achieves the desired acoustic effect. (Machine-translation by Google Translate, not legally binding)
ES1973191819U1973-05-241973-05-24
PERFECTED DEVICE FOR ACOUSTIC EFFECT.
ExpiredES191819Y
(en)