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发明名称
Combined drag and cultivator
摘要
申请公布号
US2843032(A)
申请公布日期
1958.07.15
申请号
US19550509942
申请日期
1955.05.20
申请人
JIM ALEX SMITH
发明人
JONES CECIL B.
分类号
A01B39/14
主分类号
A01B39/14
代理机构
代理人
主权项
地址
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