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发明名称
EXCAVATION METHOD OF FOUNDATION GROUND AND DEVICE THEREOF
摘要
申请公布号
JPH0988062(A)
申请公布日期
1997.03.31
申请号
JP19950269167
申请日期
1995.09.21
申请人
KOI TERUO
发明人
KOI TERUO
分类号
E21B7/00;E02D5/50;E21B7/26;E21B10/44;(IPC1-7):E02D5/50
主分类号
E21B7/00
代理机构
代理人
主权项
地址
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