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发明名称
摘要
申请公布号
JPH0542115(Y2)
申请公布日期
1993.10.25
申请号
JP19870081720U
申请日期
1987.05.27
申请人
发明人
分类号
E02D3/12;(IPC1-7):E02D3/12
主分类号
E02D3/12
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代理人
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