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发明名称
Leveling control system for agricultural machine
摘要
申请公布号
US2801511(A)
申请公布日期
1957.08.06
申请号
US19540430338
申请日期
1954.05.17
申请人
DEERE & COMPANY
发明人
VOGELAAR BERNARD F.
分类号
A01D75/28
主分类号
A01D75/28
代理机构
代理人
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