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经营范围
发明名称
DISK HARROW
摘要
申请公布号
US3454106(A)
申请公布日期
1969.07.08
申请号
USD3454106
申请日期
1966.09.26
申请人
DEERE & CO.
发明人
CHARLES HAROLD YOUNGBERG;HAROLD VALENTINE HANSEN
分类号
A01B21/08;A01B61/04;(IPC1-7):A01B21/08;A01B7/00;A01B15/16
主分类号
A01B21/08
代理机构
代理人
主权项
地址
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