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经营范围
发明名称
Spring tooth harrow
摘要
申请公布号
US2307436(A)
申请公布日期
1943.01.05
申请号
US19400318866
申请日期
1940.02.14
申请人
KILLEFER MANUFACTURING CORPORATION
发明人
WADELTON EDWIN F.;THOMAS THOMAS M.
分类号
A01B19/02
主分类号
A01B19/02
代理机构
代理人
主权项
地址
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