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发明名称
precast concrete culvert block
摘要
申请公布号
KR200420843(Y1)
申请公布日期
2006.07.06
申请号
KR20060010871U
申请日期
2006.04.24
申请人
发明人
分类号
E02D29/045
主分类号
E02D29/045
代理机构
代理人
主权项
地址
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