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发明名称
摘要
申请公布号
JP3322298(B2)
申请公布日期
2002.09.09
申请号
JP19970223471
申请日期
1997.08.20
申请人
发明人
分类号
A01C15/00;A01C15/04;(IPC1-7):A01C15/04
主分类号
A01C15/00
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