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发明名称
PREFABRICATED STRUCTURAL ELEMENT AND METHOD OF MANUFACTURE THEREOF
摘要
申请公布号
EP0001723(A3)
申请公布日期
1979.05.16
申请号
EP19780400080
申请日期
1978.08.28
申请人
CENTRE D'ETUDES ET DE RECHERCHES DE L'INDUSTRIE DU BETON MANUFACTURE
发明人
DRAN, FRANCIS;DUTRUEL, FRANCIS
分类号
E04C1/41;E04C3/22;E04C3/34;(IPC1-7):E04C3/22;E06B1/70
主分类号
E04C1/41
代理机构
代理人
主权项
地址
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