Improvements in or relating to linings for tunnels and shafts,申请号GB19570005878-传众专利搜索

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发明名称	Improvements in or relating to linings for tunnels and shafts
摘要
申请公布号	GB863266(A)	申请公布日期	1961.03.22
申请号	GB19570005878	申请日期	1957.02.21
申请人	SPUN CONCRETE LIMITED	发明人	GUYMER ROBERT RICHARD;DEE DENIS RICHARD
分类号	E21D11/08;E21D11/12	主分类号	E21D11/08
代理机构		代理人
主权项
地址

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