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经营范围
发明名称
Harvesting power unit
摘要
申请公布号
US2513942(A)
申请公布日期
1950.07.04
申请号
US19450616759
申请日期
1945.09.17
申请人
HELMA KATHERINE CRUMB;INTERNATIONAL HARVESTER COMPANY
发明人
JOHNSON ARNOLD E. W.;BAKER DAVID B.
分类号
A01D41/04
主分类号
A01D41/04
代理机构
代理人
主权项
地址
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