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发明名称
Sweep rake
摘要
申请公布号
US2322295(A)
申请公布日期
1943.06.22
申请号
US19400324935
申请日期
1940.03.20
申请人
DAIN MANUFACTURING COMPANY OF IOWA
发明人
HILL GEORGE B.
分类号
A01D87/08
主分类号
A01D87/08
代理机构
代理人
主权项
地址
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