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发明名称
Machine for leveling land and forming borders
摘要
申请公布号
US2057407(A)
申请公布日期
1936.10.13
申请号
US19360070486
申请日期
1936.03.23
申请人
ALLISON JOHN J;COLLIER ISHAM F
发明人
ALLISON JOHN J.;COLLIER ISHAM F.
分类号
E02F3/76
主分类号
E02F3/76
代理机构
代理人
主权项
地址
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