MACHINE DE CREUSEMENT D'UN TUNNEL,申请号FR19980016051-传众专利搜索

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发明名称	MACHINE DE CREUSEMENT D'UN TUNNEL
摘要
申请公布号	FR2787506(B1)	申请公布日期	2001.03.16
申请号	FR19980016051	申请日期	1998.12.18
申请人	NFM TECHNOLOGIES	发明人	PRADIER FRANCOIS
分类号	E21D9/06;E21D9/08;E21D9/087;(IPC1-7):E21D9/087;E21D9/12;E21D9/11	主分类号	E21D9/06
代理机构		代理人
主权项
地址

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