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发明名称
Disk harrow
摘要
申请公布号
US2233665(A)
申请公布日期
1941.03.04
申请号
US19390266097
申请日期
1939.04.05
申请人
DEERE & COMPANY
发明人
HOFFMAN JOHN E.
分类号
A01B23/06
主分类号
A01B23/06
代理机构
代理人
主权项
地址
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