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发明名称
FURROW INVERTER
摘要
申请公布号
GB2099673(B)
申请公布日期
1984.10.31
申请号
GB19820015546
申请日期
1982.05.27
申请人
NATIONAL RESEARCH DEVELOPMENT CORP
发明人
分类号
A01B9/00;A01B13/00;A01B15/08;(IPC1-7):A01B17/00
主分类号
A01B9/00
代理机构
代理人
主权项
地址
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