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发明名称
Two-way plow attachment for tractors
摘要
申请公布号
US2830516(A)
申请公布日期
1958.04.15
申请号
US19540470004
申请日期
1954.11.19
申请人
INTERNATIONAL HARVESTER COMPANY
发明人
EVANS ARTHUR G.;TOLAND WAYNE G.;JOHNSON OTTO E.
分类号
A01B3/42
主分类号
A01B3/42
代理机构
代理人
主权项
地址
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