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摘要
申请公布号
JP3089403(B2)
申请公布日期
2000.09.18
申请号
JP19970362936
申请日期
1997.12.11
申请人
发明人
分类号
E01H5/12;E01C23/08;E01C23/085;E01H11/00;(IPC1-7):E01H5/12
主分类号
E01H5/12
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