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发明名称
Procédé et dispositif pour l'exécution de corps oblongs à profil variable par tronçons
摘要
申请公布号
FR1069288(A)
申请公布日期
1954.07.06
申请号
FRD1069288
申请日期
1952.12.30
申请人
发明人
KREIDLER ALFRED
分类号
B21C25/08
主分类号
B21C25/08
代理机构
代理人
主权项
地址
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