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发明名称
Procédé pour la construction avec du béton des routes, places ou autres surfaces exposées à un trafic important
摘要
申请公布号
FR993782(A)
申请公布日期
1951.11.07
申请号
FRD993782
申请日期
1949.08.26
申请人
发明人
FREIS PHILIPP
分类号
E01C5/06
主分类号
E01C5/06
代理机构
代理人
主权项
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