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Individual
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Priority to ES0236499ApriorityCriticalpatent/ES236499A1/es
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Perfeccionamientos introducidos en los arados, caracterizados esencialmente por disponerse una palanca matriz, accionada desde el propio trator en la que va acoplada una manecilla tensora, que por medio de un cartabón articula una chaveta de fijación en un sector dentado.
ES0236499A1957-07-101957-07-10Perfeccionamientos introducidos en los arados
ExpiredES236499A1
(es)