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发明名称
VENTILATING PARTITION FOR TUNNEL
摘要
申请公布号
JPH05231100(A)
申请公布日期
1993.09.07
申请号
JP19920073345
申请日期
1992.02.25
申请人
HAZAMA GUMI LTD
发明人
ISHIGA YUTAKA
分类号
E21F1/14
主分类号
E21F1/14
代理机构
代理人
主权项
地址
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