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Individual
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Individual
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Priority to ES0257672ApriorityCriticalpatent/ES257672A1/es
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Arado perfeccionado, caracterizado esencialmente por comprender cuatro rejas volteables y una palanca de graduación solidaria del eje de las ruedas y que regulan la profundidad del surco, y el volteo de las rejas determina la labor en ambos sentidos, comportando una palanca cuya misión es bloquear o liberar las referidas rejas para situarla en la posición deseada.