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发明名称
STRUCTURE OF BRANCH TUNNEL EXCAVATION PIT MOUTH WALL
摘要
申请公布号
JPH09125871(A)
申请公布日期
1997.05.13
申请号
JP19950309948
申请日期
1995.11.02
申请人
OKUMURA CORP
发明人
BABA KAZUNORI;SATO KAZUO
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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