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发明名称
Système d'ancrages de câbles sous tension destinés à la réalisation de constructions en béton précontraint
摘要
申请公布号
FR926505(A)
申请公布日期
1947.10.03
申请号
FRD926505
申请日期
1939.08.26
申请人
发明人
FREYSSINET EUGENE
分类号
B28B23/04
主分类号
B28B23/04
代理机构
代理人
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地址
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