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发明名称
Method and apparatus for making notched agricultural disks
摘要
申请公布号
US3083440(A)
申请公布日期
1963.04.02
申请号
US19590854517
申请日期
1959.11.20
申请人
INTERNATIONAL HARVESTER COMPANY
发明人
BARBKNECHT FRED W.;GULLY EDWARD J.
分类号
B21K19/00
主分类号
B21K19/00
代理机构
代理人
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