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发明名称
Hookup for tractor plows
摘要
申请公布号
US2619885(A)
申请公布日期
1952.12.02
申请号
US19490094783
申请日期
1949.05.23
申请人
BEAMER JOHN L
发明人
BEAMER JOHN L.
分类号
A01B59/06
主分类号
A01B59/06
代理机构
代理人
主权项
地址
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