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发明名称
GROUND/WORKING IMPLEMENT DEPTH CONTROL SYSTEM
摘要
申请公布号
IE55011(B1)
申请公布日期
1990.04.25
申请号
IE19830002704
申请日期
1983.11.18
申请人
DEERE & COMPANY
发明人
分类号
A01B63/00;A01B63/10;A01B63/111;A01B63/112;A01B63/114;B62D49/00;G05G1/04;(IPC1-7):A01B63/111
主分类号
A01B63/00
代理机构
代理人
主权项
地址
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