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Priority to ES0224354ApriorityCriticalpatent/ES224354A2/es
Publication of ES224354A2publicationCriticalpatent/ES224354A2/es
Mejoras introducidas en el objeto de la Patente de Invención nº 221.767 que se refiere a "Máquina perfeccionada para preparar infusiones" caracterizadas por el hecho de que el sistema mecánico para producir la elevación del pistón está basado en el desplazamiento de una corredera unida al extremo superior del vástago del pistón mediante un piñon que engrana un dentado en cremallera establecido en la dicha corredera, con lo que esta se desplaza verticalmente al girar dicho piñón solidariamente con el árbol horizontal al ser accionado por la palanca de accionamiento manual de la máquina.
ES0224354A1955-10-031955-10-03MáQUINA PERFECCIONADA PARA PREPARAR INFUSIONES
ExpiredES224354A2
(es)