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经营范围
发明名称
Procédé de préparation de bétons à haute résistance et à durcissement rapide
摘要
申请公布号
FR57891(E)
申请公布日期
1953.09.18
申请号
FRD57891
申请日期
1947.12.23
申请人
发明人
WALTER GEORGES
分类号
B28B1/08
主分类号
B28B1/08
代理机构
代理人
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