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发明名称
PAVING BLOCK STRUCTURES
摘要
申请公布号
CA2062424(A1)
申请公布日期
1993.02.17
申请号
CA19922062424
申请日期
1992.03.06
申请人
CAPITOL ORNAMENTAL CONCRETE SPECIALTIES, INC.
发明人
GROSSMAN, NORMAN W.
分类号
E01C5/00;(IPC1-7):E01C5/00
主分类号
E01C5/00
代理机构
代理人
主权项
地址
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