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发明名称
DOUBLE DISC FURROW OPENER DISCS HAVE CUP-SHAPED HUB TO ACCOMMODATE BEARINGS
摘要
申请公布号
NZ192843(A)
申请公布日期
1982.05.31
申请号
NZ19800192843
申请日期
1980.02.11
申请人
DEERE & CO
发明人
STEILEN R
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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