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经营范围
发明名称
Perfectionnement aux coffrages pour béton, agrégats et matières analogues
摘要
申请公布号
FR1042013(A)
申请公布日期
1953.10.28
申请号
FRD1042013
申请日期
1951.09.07
申请人
发明人
DELEFOSSE MARCEL-MAURICE
分类号
B28B7/46
主分类号
B28B7/46
代理机构
代理人
主权项
地址
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