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经营范围
发明名称
TUNNEL WALL STRUCTURE
摘要
申请公布号
GB2124679(A)
申请公布日期
1984.02.22
申请号
GB19830003526
申请日期
1983.02.09
申请人
JUNICHI * TSUZUKI
发明人
JUNICHI * TSUZUKI
分类号
E21D11/08;(IPC1-7):E21D11/08
主分类号
E21D11/08
代理机构
代理人
主权项
地址
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