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经营范围
发明名称
Wheeled hitch device for towing a pair of trailing units
摘要
申请公布号
US3269749(A)
申请公布日期
1966.08.30
申请号
US19640401205
申请日期
1964.10.02
申请人
DEERE & COMPANY
发明人
HARTWIG DONALD R.
分类号
A01B59/042;A01C7/20;A01C15/00
主分类号
A01B59/042
代理机构
代理人
主权项
地址
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