发明名称 Seed planter press wheel
摘要 The seed planter press wheel having a resilient tire means that is partially filled with an incompressible liquid so that the resilient tire means stretches upon contacting of the tire means with an earthen seed bed to inhibit the sticking of any caked mud on the outer surface of the resilient tire means.
申请公布号 US4489790(A) 申请公布日期 1984.12.25
申请号 US19820450077 申请日期 1982.12.15
申请人 LATTIN, LEONARD 发明人 LATTIN, LEONARD
分类号 A01B29/04;A01C5/06;(IPC1-7):A01B29/00 主分类号 A01B29/04
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