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经营范围
发明名称
Impact damping system in a central reserve or a guard rail
摘要
申请公布号
KR100540983(B1)
申请公布日期
2006.01.10
申请号
KR20030032241
申请日期
2003.05.21
申请人
发明人
分类号
E01F15/00
主分类号
E01F15/00
代理机构
代理人
主权项
地址
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