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发明名称
Minimum tillage planter
摘要
申请公布号
US3144843(A)
申请公布日期
1964.08.18
申请号
US19590839988
申请日期
1959.09.11
申请人
WATSON NORMAN E;WATSON JOHN W
发明人
WATSON NORMAN E.;WATSON JOHN W.
分类号
A01C7/00
主分类号
A01C7/00
代理机构
代理人
主权项
地址
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