发明名称 Multiple drop seed disc
摘要 A multiple seed drop disc includes a disc member including a vacuum side and a seed side. The vacuum side includes a plurality of spaced-apart recesses formed therein. The seed side includes a plurality of clusters formed therein. Each cluster includes a plurality of openings which communicates with one of the recesses.
申请公布号 US6044779(A) 申请公布日期 2000.04.04
申请号 US19980170836 申请日期 1998.10.13
申请人 CASE CORPORATION 发明人 BROWN, THOMAS;OZERS, GUNTIS;DUNHAM, LISLE J.;MICHALIC, JOSEPH A.
分类号 A01C7/12;(IPC1-7):A01C7/04 主分类号 A01C7/12
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