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发明名称
PERFECTIONNEMENTS AUX ENCEINTES SOUS PRESSION EN BETON PRECONTRAINT
摘要
申请公布号
BE759238(A1)
申请公布日期
1971.04.30
申请号
BE19700759238
申请日期
1970.11.20
申请人
CIE INDUSTRIELLE DE TRAVAUX, 16, BOULEVARD MALESHERBES, PARIS 8E (FRANCE),
发明人
分类号
E04H7/20;G21C13/06;G21C13/093;(IPC1-7):G21C/
主分类号
E04H7/20
代理机构
代理人
主权项
地址
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