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经营范围
发明名称
sound proofing for road
摘要
申请公布号
KR200380491(Y1)
申请公布日期
2005.03.30
申请号
KR20040037366U
申请日期
2004.12.30
申请人
发明人
分类号
E01F8/00;(IPC1-7):E01F8/00
主分类号
E01F8/00
代理机构
代理人
主权项
地址
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