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经营范围
发明名称
Permeable and elastic pavement blocks
摘要
申请公布号
KR100697037(B1)
申请公布日期
2007.03.20
申请号
KR20040007858
申请日期
2004.02.06
申请人
发明人
分类号
E01C5/22;E01C5/02;E01C11/22;E01C13/04
主分类号
E01C5/22
代理机构
代理人
主权项
地址
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