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发明名称
摘要
申请公布号
JPH053360(U)
申请公布日期
1993.01.19
申请号
JP19910056803U
申请日期
1991.06.26
申请人
发明人
分类号
E02F9/12;(IPC1-7):E02F9/12
主分类号
E02F9/12
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代理人
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