发明名称 Ground-working roller
摘要 The ground-working roller is combined with a seed drill and forms a functional and constructional unit with it, the ground-working roller supporting the weight of the drill on the ground. It can additionally serve as a support for a leading ground-working machine.
申请公布号 DE3343847(A1) 申请公布日期 1984.06.07
申请号 DE19833343847 申请日期 1983.12.03
申请人 C. VAN DER LELY N.V. 发明人 DER LELY,CORNELIS VAN
分类号 A01B29/04;A01B49/06;(IPC1-7):A01B29/06;A01B59/04;A01B63/10;A01C7/08 主分类号 A01B29/04
代理机构 代理人
主权项
地址