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发明名称
摘要
申请公布号
JPH0421207(U)
申请公布日期
1992.02.21
申请号
JP19900063472U
申请日期
1990.06.14
申请人
发明人
分类号
A01C15/00;A01B33/00;A01B49/04;B62D49/00;(IPC1-7):A01B49/04
主分类号
A01C15/00
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