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发明名称
摘要
申请公布号
JPH01180557(U)
申请公布日期
1989.12.26
申请号
JP19880077689U
申请日期
1988.06.11
申请人
发明人
分类号
E02F9/16;(IPC1-7):E02F9/16
主分类号
E02F9/16
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