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发明名称
Procédé de forgeage d'un tube cylindrique pour lui donner tout profil voulu
摘要
申请公布号
FR61897(E)
申请公布日期
1955.05.18
申请号
FRD61897
申请日期
1951.10.19
申请人
发明人
HUET ANDRE
分类号
B21C37/20
主分类号
B21C37/20
代理机构
代理人
主权项
地址
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