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发明名称
Procédé et appareil de cintrage de tubes selon un faible rayon
摘要
申请公布号
FR1092800(A)
申请公布日期
1955.04.27
申请号
FRD1092800
申请日期
1954.02.05
申请人
NORTHERN INDIANA BRASS COMPANY
发明人
分类号
B21C37/28;B21C37/29
主分类号
B21C37/28
代理机构
代理人
主权项
地址
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