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发明名称
Excavation-tunnel type Construction method of open tunnel-part
摘要
申请公布号
KR100890697(B1)
申请公布日期
2009.03.26
申请号
KR20070085776
申请日期
2007.08.24
申请人
发明人
分类号
E21D9/00;E21D11/00
主分类号
E21D9/00
代理机构
代理人
主权项
地址
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