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经营范围
发明名称
Device for sealing of tunnel lining
摘要
申请公布号
GB9711796(D0)
申请公布日期
1997.08.06
申请号
GB19970011796
申请日期
1997.06.07
申请人
IRSTA STAALINDUSTRI AS
发明人
分类号
E21D11/38
主分类号
E21D11/38
代理机构
代理人
主权项
地址
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