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发明名称
WALL BORING METHOD FOR REBUILDING EXISTING TUNNEL
摘要
申请公布号
JPH0748985(A)
申请公布日期
1995.02.21
申请号
JP19930215245
申请日期
1993.08.05
申请人
OKUMURA CORP
发明人
ASAHI TOSHINORI;TERADA MICHINAO
分类号
E21D9/06;(IPC1-7):E21D9/06
主分类号
E21D9/06
代理机构
代理人
主权项
地址
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