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发明名称
ENTRANCE STRUCTURE FOR PREVENTING EXHAUST GAS AND FIRE SMOKE FROM FLOWING BACKWARD IN DOUBLE TUNNEL
摘要
申请公布号
KR20050060994(A)
申请公布日期
2005.06.22
申请号
KR20030092739
申请日期
2003.12.17
申请人
KRRI
发明人
KIM, DONG HYEON;SHIN, MIN HO;KIM, JAE WOOK
分类号
E21D9/14;(IPC1-7):E21D9/14
主分类号
E21D9/14
代理机构
代理人
主权项
地址
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