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经营范围
发明名称
Digging tooth assembly
摘要
申请公布号
US4949481(A)
申请公布日期
1990.08.21
申请号
US19890389655
申请日期
1989.08.04
申请人
DEERE & COMPANY
发明人
FELLNER, RONALD W.
分类号
E02F9/28
主分类号
E02F9/28
代理机构
代理人
主权项
地址
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