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发明名称
摘要
申请公布号
JPH01118201(U)
申请公布日期
1989.08.10
申请号
JP19880014226U
申请日期
1988.02.05
申请人
发明人
分类号
E02F9/22;F04B49/08;F15B11/00;F15B11/02;(IPC1-7):F15B11/02
主分类号
E02F9/22
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