METHOD AND EQUIPMENT FOR INSTALLING A WATERTIGHT LINING SUITABLE FOR A SHAFT PASSING THROUGH WATER-PERMEABLE STRATA,申请号GB19810007311-传众专利搜索

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发明名称	METHOD AND EQUIPMENT FOR INSTALLING A WATERTIGHT LINING SUITABLE FOR A SHAFT PASSING THROUGH WATER-PERMEABLE STRATA
摘要
申请公布号	GB2073805(B)	申请公布日期	1983.07.27
申请号	GB19810007311	申请日期	1981.03.09
申请人	GEWERKSCHAFT WALTER	发明人
分类号	E21D5/01;(IPC1-7):E21D5/01	主分类号	E21D5/01
代理机构		代理人
主权项
地址

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