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发明名称
Lister
摘要
申请公布号
US2203972(A)
申请公布日期
1940.06.11
申请号
US19380221752
申请日期
1938.07.28
申请人
DEERE & COMPANY
发明人
SILVER WALTER H.
分类号
A01B63/04
主分类号
A01B63/04
代理机构
代理人
主权项
地址
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