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发明名称
ESCAPE DOOR FOR TUNNEL
摘要
申请公布号
KR20050087898(A)
申请公布日期
2005.09.01
申请号
KR20040013597
申请日期
2004.02.27
申请人
SEOYUN INDUSTRIAL CO., LTD.
发明人
YOON, KIL
分类号
E21F11/00;(IPC1-7):E21F11/00
主分类号
E21F11/00
代理机构
代理人
主权项
地址
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