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发明名称
TUNNEL STRUCTURE
摘要
申请公布号
JPH09303099(A)
申请公布日期
1997.11.25
申请号
JP19960121439
申请日期
1996.05.16
申请人
OKUMURA CORP
发明人
SAITO IPPEI;TAKEUCHI MIKIO;SAKAGAMI AKIRA
分类号
E21D11/28;E21D15/00;(IPC1-7):E21D15/00
主分类号
E21D11/28
代理机构
代理人
主权项
地址
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