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Publication of ES238470A2publicationCriticalpatent/ES238470A2/en
Improvements introduced in the object of the main patent no. 227,856, granted by device in seeders machines, of the type set forth in the aforementioned main patent comprising a cup-shaped organ or divergent upward hopper provided in the lower part thereof with a hole or opening and mounted to rotate about a vertical axis in a storage tank with said lower part submerged in the material thereof, characterized by a stirring means stationary disposed relative to said cup-shaped member in the area below the opening thereof and adapted to guide the material in direct current to and through said opening within the cup-shaped member. (Machine-translation by Google Translate, not legally binding)
ES0238470A1956-11-071957-11-07Device of seeding machines (Machine-translation by Google Translate, not legally binding)
ExpiredES238470A2
(en)