Slab top-down method of underground construction,申请号KR20090018889-传众专利搜索

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发明名称	Slab top-down method of underground construction
摘要
申请公布号	KR101044441(B1)	申请公布日期	2011.06.27
申请号	KR20090018889	申请日期	2009.03.05
申请人		发明人
分类号	E02D29/045;E21D9/04	主分类号	E02D29/045
代理机构		代理人
主权项
地址

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