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发明名称
precast concrete culvert block
摘要
申请公布号
KR101021362(B1)
申请公布日期
2011.03.14
申请号
KR20090060005
申请日期
2009.07.02
申请人
发明人
分类号
E02D29/045;E04C5/12;E04G21/12
主分类号
E02D29/045
代理机构
代理人
主权项
地址
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