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发明名称
Implement hitch for cultivators
摘要
申请公布号
US1930893(A)
申请公布日期
1933.10.17
申请号
US19330672507
申请日期
1933.05.23
申请人
JAMES COLTHARP
发明人
COLTHARP JAMES
分类号
A01B35/22
主分类号
A01B35/22
代理机构
代理人
主权项
地址
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