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发明名称
Implement for soil preparation
摘要
申请公布号
US2394771(A)
申请公布日期
1946.02.12
申请号
US19440530969
申请日期
1944.04.14
申请人
HILL DUDLEY L
发明人
HILL DUDLEY L.
分类号
A01C5/04
主分类号
A01C5/04
代理机构
代理人
主权项
地址
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