Lining mat for mines and tunnels,申请号GB19790018379-传众专利搜索

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发明名称	Lining mat for mines and tunnels
摘要
申请公布号	GB2022654(A)	申请公布日期	1979.12.19
申请号	GB19790018379	申请日期	1979.05.25
申请人	SERNI LTD	发明人
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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