Method and device for constructing an underground tunnel,申请号EP20000200339-传众专利搜索

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发明名称	Method and device for constructing an underground tunnel
摘要
申请公布号	EP1028226(A3)	申请公布日期	2002.09.04
申请号	EP20000200339	申请日期	2000.02.01
申请人	HEEREMA HOLDING CONSTRUCTION INC.	发明人	KOPPERT, FRITS-JAN;VAN KETEL, HENDRIK
分类号	E21B7/04;E21B7/28;E21D9/06;(IPC1-7):E21B7/28;E21D9/00;E21D9/12	主分类号	E21B7/04
代理机构		代理人
主权项
地址

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