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BARREDO DE VALENZUELA
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BARREDO DE VALENZUELA
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Priority to ES361918ApriorityCriticalpatent/ES361918A1/es
Publication of ES361918A1publicationCriticalpatent/ES361918A1/es
Un dispositivo que comprende al menos un cilindro en el que esta destinado a moverse un primer cuerpo a manera de piston para variar el volumen de un espacio de trabajo.