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经营范围
发明名称
GRAIN DRILL
摘要
申请公布号
PL262584(A1)
申请公布日期
1988.09.01
申请号
PL19860262584
申请日期
1986.11.25
申请人
发明人
分类号
A01C;A01C7/08;(IPC1-7):A01C/
主分类号
A01C
代理机构
代理人
主权项
地址
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