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发明名称
Disk harrow
摘要
申请公布号
US2881849(A)
申请公布日期
1959.04.14
申请号
US19550495662
申请日期
1955.03.21
申请人
DEERE & COMPANY
发明人
OEHLER WILLIAM P.;JOHNSON LESLIE W.
分类号
A01B21/08
主分类号
A01B21/08
代理机构
代理人
主权项
地址
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