GRID LAGGING FOR A TUNNEL LINING,申请号EP19890830367-传众专利搜索

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发明名称	GRID LAGGING FOR A TUNNEL LINING
摘要
申请公布号	EP0378972(A3)	申请公布日期	1991.04.03
申请号	EP19890830367	申请日期	1989.08.22
申请人	PERCIVALLI, RAFFAELE	发明人	PERCIVALLI, RAFFAELE
分类号	E21D11/15;(IPC1-7):E21D11/15	主分类号	E21D11/15
代理机构		代理人
主权项
地址

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