发明名称 Seed drill including discs driven by ground wheel drive
摘要 Seed sowing apparatus comprising a plurality of ground-engaging discs arranged in staggered relationship in two or more rows and driven from ground-engaging wheels, with individual seed metering devices carried by and driven by each disc to deposit seeds at regularly spaced intervals.
申请公布号 US4117788(A) 申请公布日期 1978.10.03
申请号 US19770785183 申请日期 1977.04.06
申请人 WHITEHEAD, EDWARD 发明人 WHITEHEAD, EDWARD
分类号 A01C7/04;(IPC1-7):A01C5/06;A01C7/00 主分类号 A01C7/04
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