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发明名称
摘要
申请公布号
JPH0161240(U)
申请公布日期
1989.04.19
申请号
JP19870155963U
申请日期
1987.10.12
申请人
发明人
分类号
E02D27/01;(IPC1-7):E02D27/01
主分类号
E02D27/01
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