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发明名称
Pivoted shank subsoil contour plow
摘要
申请公布号
US2797629(A)
申请公布日期
1957.07.02
申请号
US19550480711
申请日期
1955.01.10
申请人
LEON O. KELLEY
发明人
KELLEY CARLTON O.
分类号
A01B13/08
主分类号
A01B13/08
代理机构
代理人
主权项
地址
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