Propulsion apparatus of pipe tunnel for underground laying and Propulsion methode,申请号KR20030012343-传众专利搜索

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发明名称	Propulsion apparatus of pipe tunnel for underground laying and Propulsion methode
摘要
申请公布号	KR100558172(B1)	申请公布日期	2006.03.10
申请号	KR20030012343	申请日期	2003.02.27
申请人		发明人
分类号	E21D9/06	主分类号	E21D9/06
代理机构		代理人
主权项
地址

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