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发明名称
Covering means for planting attachments
摘要
申请公布号
US2582503(A)
申请公布日期
1952.01.15
申请号
US19490106351
申请日期
1949.07.23
申请人
DEERE & COMPANY
发明人
OEHLER WILLIAM P.
分类号
A01C5/06
主分类号
A01C5/06
代理机构
代理人
主权项
地址
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