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经营范围
发明名称
TUNNEL AIR VENTILATION SYSTEM
摘要
申请公布号
JPH09228799(A)
申请公布日期
1997.09.02
申请号
JP19960036053
申请日期
1996.02.23
申请人
MITSUBISHI ELECTRIC CORP
发明人
FUKUSHIMA HIDEKI
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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