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发明名称
Disk harrow
摘要
申请公布号
US2338698(A)
申请公布日期
1944.01.11
申请号
US19400345020
申请日期
1940.07.12
申请人
DEERE & COMPANY
发明人
WHITE CHARLES H.
分类号
A01B21/08
主分类号
A01B21/08
代理机构
代理人
主权项
地址
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