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发明名称
SISTEMA ESTRUTURAL PARA SOLOS
摘要
申请公布号
PT89045(A)
申请公布日期
1989.09.14
申请号
PT19880089045
申请日期
1988.11.22
申请人
HENRI VIDAL
发明人
分类号
E02D17/18;E02D29/02;(IPC1-7):E02D/
主分类号
E02D17/18
代理机构
代理人
主权项
地址
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