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经营范围
发明名称
TUNNEL LINING
摘要
申请公布号
IE790770(L)
申请公布日期
1979.10.12
申请号
IE19790000770
申请日期
1979.08.08
申请人
SHERIDAN CONTRACTORS (ENGINEERING) LTD
发明人
分类号
E21D11/08;F16L9/22;(IPC1-7):E21D11/24
主分类号
E21D11/08
代理机构
代理人
主权项
地址
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