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发明名称
ROAD TUNNEL VENTILATION CONTROLLER
摘要
申请公布号
JPH06240999(A)
申请公布日期
1994.08.30
申请号
JP19930031877
申请日期
1993.02.22
申请人
TOSHIBA CORP
发明人
KOYAMA TOSHIHIRO
分类号
E21F1/00;F24F7/06;(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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