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发明名称
Procédé de construction de chaussées en béton précontraint
摘要
申请公布号
FR1474075(A)
申请公布日期
1967.03.24
申请号
FR19660048098
申请日期
1966.02.02
申请人
发明人
BERGER CHARLES
分类号
E01C7/16;E01C19/50;E01C23/02;E01C23/04
主分类号
E01C7/16
代理机构
代理人
主权项
地址
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