Кировоградский Национальный Технический Университет
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Publication of UA35265UpublicationCriticalpatent/UA35265U/en
A ploughshare includes a tip, an abutment and cheeks. In the rear part of the tip the knife disk a sharpness angle of which is lesser than the sum of two angles of frictioning of sugar beet seeds along the soil surface is arranged.