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发明名称
摘要
申请公布号
JPH0239605(U)
申请公布日期
1990.03.16
申请号
JP19880117696U
申请日期
1988.09.07
申请人
发明人
分类号
A01C5/04;A01C11/02;(IPC1-7):A01C11/02
主分类号
A01C5/04
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