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发明名称
Dispositif pour façonner automatiquement l'extrémité des tubés en vue de leur jonction par branchement
摘要
申请公布号
FR1000874(A)
申请公布日期
1952.02.18
申请号
FRD1000874
申请日期
1949.11.28
申请人
发明人
VAUTRIN JEAN
分类号
B21C37/29
主分类号
B21C37/29
代理机构
代理人
主权项
地址
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