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发明名称
TUNNEL VENTILATION CONTROLLING SYSTEM
摘要
申请公布号
JPH07119394(A)
申请公布日期
1995.05.09
申请号
JP19930268832
申请日期
1993.10.27
申请人
TOSHIBA CORP
发明人
ITO YOSHIO
分类号
E21F1/00;(IPC1-7):E21F1/00
主分类号
E21F1/00
代理机构
代理人
主权项
地址
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