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发明名称
Procédé et appareil pour mettre en forme des éléments métalliques en tôle
摘要
申请公布号
FR1352331(A)
申请公布日期
1964.02.14
申请号
FR19630925162
申请日期
1963.02.18
申请人
WALLACE EXPANDING MACHINES, INC.
发明人
分类号
B21D53/26
主分类号
B21D53/26
代理机构
代理人
主权项
地址
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