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Structures Of Non-Positive Displacement Pumps
(AREA)
Abstract
Dispositivo para mejorar la presión en ventiladores helicoidales, caracterizado por constituirse a base de un aro de soporte exterior, dotado de medios para facilitar la fijación del conjunto, y un aro interior, concéntrico con aquel, entre cuyos dos aros se hallan dispuestas y rígidamente solidarizadas una serie de palas helicoidales, iguales y regularmente espaciadas.
ES93571U1962-05-291962-05-29Dispositivo para mejorar la presión en ventiladores helicoidales
ExpiredES93571Y
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