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发明名称
Subsoiler farm tool
摘要
申请公布号
US2925872(A)
申请公布日期
1960.02.23
申请号
US19570651098
申请日期
1957.04.05
申请人
DARNELL CLARENCE E
发明人
DARNELL CLARENCE E.
分类号
A01B13/08;A01B35/14
主分类号
A01B13/08
代理机构
代理人
主权项
地址
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