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发明名称
TUNNEL LININGS
摘要
申请公布号
GB2092644(B)
申请公布日期
1984.07.18
申请号
GB19810037819
申请日期
1981.12.15
申请人
FAIRCLOUGH CIVIL ENGINEERING LTD
发明人
分类号
E21D11/08;(IPC1-7):E21D11/08
主分类号
E21D11/08
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