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Individual
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Individual
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Priority to ES0169225ApriorityCriticalpatent/ES169225A2/es
Publication of ES169225A2publicationCriticalpatent/ES169225A2/es
Perfeccionamientos introducidos en el objeto de la patente principal núm. 164423 que se caracteriza por la adición de dos nuevas piezas que una de las cuales corona la columna central pieza básica de la patente principal y la otra complementaria de la misma que va colocada a los extremos de la pieza (E).
ES0169225A1945-03-131945-03-13Mejoras introducidas con el objeto de la patente
ExpiredES169225A2
(es)