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发明名称
Procédé et profilé pour la fabrication d'abouts pour tuyaux en béton, abouts et tuyaux en résultant
摘要
申请公布号
FR1041842(A)
申请公布日期
1953.10.27
申请号
FRD1041842
申请日期
1951.05.30
申请人
COMPAGNIE DE PONT-A-MOUSSON
发明人
分类号
B28B21/56;F16L17/035
主分类号
B28B21/56
代理机构
代理人
主权项
地址
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