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发明名称
Procédé de fabrication de tôles déployées non cisaillées, embouties entre deux fronts de mandrins et matrices adaptables aux machines golding et dérivées utilisées
摘要
申请公布号
FR1257264(A)
申请公布日期
1961.03.31
申请号
FR19601700525
申请日期
1960.04.01
申请人
发明人
FROGER PAUL
分类号
B21D31/04
主分类号
B21D31/04
代理机构
代理人
主权项
地址
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