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发明名称
Procédé pour graver des cylindres servant à la fabrication de barres d'armatures de béton à surface profilée, ainsi que barres d'armatures fabriquées à l'aide deces cylindres
摘要
申请公布号
FR1237424(A)
申请公布日期
1960.07.29
申请号
FR19590806964
申请日期
1959.10.07
申请人
TOR-ISTEG STEEL CORP
发明人
分类号
B23H9/00;E04C5/03
主分类号
B23H9/00
代理机构
代理人
主权项
地址
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