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发明名称
HANGING CLOSED TUNNEL LINING
摘要
申请公布号
YU42041(B)
申请公布日期
1988.04.30
申请号
YU19820001583
申请日期
1982.07.20
申请人
MEMIC MURADIF
发明人
MEMIC MURADIF;MEMIC MURADIF
分类号
E21D11/14;E21D11/18;E21D11/22;(IPC1-7):E21D11/18
主分类号
E21D11/14
代理机构
代理人
主权项
地址
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