Кіровоградський Національний Технічний Університет
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Priority to UAU201510775UpriorityCriticalpatent/UA106460U/en
Publication of UA106460UpublicationCriticalpatent/UA106460U/en
A seed disk comprises a metal cover plate with sucking holes, which is set movably as regards to a metal disk with undervacuum holes, and in the proposed seed disk the undervacuum holes and sucking holes are shaped as an ovoid and directed meeting each other by the ends with lesser radii.