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发明名称
摘要
申请公布号
JPH0114091(Y2)
申请公布日期
1989.04.25
申请号
JP19860194481U
申请日期
1986.12.19
申请人
发明人
分类号
A01C11/00;A01C5/06;A01C15/00;(IPC1-7):A01C5/06
主分类号
A01C11/00
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