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经营范围
发明名称
Reversible plow
摘要
申请公布号
US2969843(A)
申请公布日期
1961.01.31
申请号
US19590817822
申请日期
1959.06.03
申请人
PURSCHE HARRY A
发明人
PURSCHE HARRY A.
分类号
A01B3/46
主分类号
A01B3/46
代理机构
代理人
主权项
地址
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