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发明名称
DISASTER PREVENTING FACILITY FOR TUNNEL
摘要
申请公布号
JPH06259688(A)
申请公布日期
1994.09.16
申请号
JP19930046463
申请日期
1993.03.08
申请人
NOHMI BOSAI LTD
发明人
ISHII KENJI
分类号
E21F17/18;G08B17/00;G08B29/16;(IPC1-7):G08B29/16
主分类号
E21F17/18
代理机构
代理人
主权项
地址
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