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Priority to ES104564UpriorityCriticalpatent/ES104564Y/es
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Publication of ES104564YpublicationCriticalpatent/ES104564Y/es
Arado de retorno automático caracterizado esencialmente por una biela que recibe la acción de unos muelles al elevar el apero por medio del hidráulico del tractor.
ES104564U1964-03-031964-03-03Arado de retorno automático
ExpiredES104564Y
(es)