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经营范围
发明名称
Wheeled disk harrow
摘要
申请公布号
US2558890(A)
申请公布日期
1951.07.03
申请号
US19460669959
申请日期
1946.05.15
申请人
WHITE WILLIAM W
发明人
WHITE WILLIAM 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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