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发明名称
LININGS OR CASINGS FOR TUNNELS, GALLERIES, MINE PITS AND THE LIKE
摘要
申请公布号
CA897440(A)
申请公布日期
1972.04.11
申请号
CAD897440
申请日期
申请人
CENTRE DE RECHERCHES DE PONT-A-MOUSSON
发明人
CHRISTIAN G. LEBLOND;JACQUES F. M. OGER
分类号
主分类号
代理机构
代理人
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