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发明名称
摘要
申请公布号
JP2992400(B2)
申请公布日期
1999.12.20
申请号
JP19920107054
申请日期
1992.04.24
申请人
MAEDA KENSETSU KOGYO KK
发明人
OKA KOJI
分类号
E01C9/08;E02D17/04;E02D29/00;E02D29/045;E21D13/00;(IPC1-7):E02D29/045
主分类号
E01C9/08
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代理人
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