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Priority to JP1974048654UpriorityCriticalpatent/JPS5532412Y2/ja
Publication of JPS50135609UpublicationCriticalpatent/JPS50135609U/ja
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Publication of JPS5532412Y2publicationCriticalpatent/JPS5532412Y2/ja
Einrichtung zum selbsttaetigen Regeln der Fahrgeschwindigkeit eines Ackerschleppers bei der Feldarbeit, insbesondere beim Pfluegen mit konstanter Arbeitstiefe