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发明名称
Procédé et dispositif pour le cintrage à froid de tubes métalliques minces de gros diamètres
摘要
申请公布号
FR62015(E)
申请公布日期
1955.06.02
申请号
FRD62015
申请日期
1951.09.20
申请人
发明人
WILMAN SIGISMOND
分类号
B21D11/08
主分类号
B21D11/08
代理机构
代理人
主权项
地址
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