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发明名称
Tractor hitch
摘要
申请公布号
US2534109(A)
申请公布日期
1950.12.12
申请号
US19480037199
申请日期
1948.07.06
申请人
DE WITT CHARLES E
发明人
WITT CHARLES E. DE
分类号
A01B59/043;B60D1/44;B62D49/06
主分类号
A01B59/043
代理机构
代理人
主权项
地址
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