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发明名称
Rotary plow
摘要
申请公布号
US1799098(A)
申请公布日期
1931.03.31
申请号
US19300418298
申请日期
1930.01.03
申请人
HEDRICK BURL V
发明人
HEDRICK BURL V.
分类号
A01B5/00
主分类号
A01B5/00
代理机构
代理人
主权项
地址
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