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发明名称
Apparatus for preventing a falling substance in railroad bridge
摘要
申请公布号
KR100612372(B1)
申请公布日期
2006.08.16
申请号
KR20030070106
申请日期
2003.10.09
申请人
发明人
分类号
E01D19/10
主分类号
E01D19/10
代理机构
代理人
主权项
地址
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