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Priority to ES225637ApriorityCriticalpatent/ES225637A1/en
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Ultrasonic vibration generating machine, characterized by the radial multiplication capacity of the waves emitted eccentrically by a circular, vibrating metal membrane that develops inside a liquid element, with the purpose of generating a vortex of mechanical use. (Machine-translation by Google Translate, not legally binding)
ES225637A1955-12-101955-12-10A generator machine of ultrasonic oscillations (Machine-translation by Google Translate, not legally binding)
ExpiredES225637A1
(en)