Construction method of middle wall of three arch excavation tunnel,申请号KR20060033622-传众专利搜索

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发明名称	Construction method of middle wall of three arch excavation tunnel
摘要
申请公布号	KR100877452(B1)	申请公布日期	2009.01.07
申请号	KR20060033622	申请日期	2006.04.13
申请人		发明人
分类号	E21D9/00	主分类号	E21D9/00
代理机构		代理人
主权项
地址

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