发明名称 SEED DRILLS
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 ZA7702147(B) 申请公布日期 1978.03.29
申请号 ZA19770002147 申请日期 1977.04.07
申请人 WHITEHEAD E 发明人 WHITEHEAD E
分类号 A01C7/04 主分类号 A01C7/04
代理机构 代理人
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