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发明名称
Ground leveling attachment for tractor cultivators
摘要
申请公布号
US2591522(A)
申请公布日期
1952.04.01
申请号
US19480042078
申请日期
1948.08.02
申请人
DEJOY JACK M
发明人
DEJOY JACK M.
分类号
A01B3/38
主分类号
A01B3/38
代理机构
代理人
主权项
地址
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