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发明名称
PROCEDIMIENTO Y DISPOSITIVO PARA LA FABRICACION DE UNIONES ANGULARES DE PERFILES HUECOS.
摘要
申请公布号
ES445633(A1)
申请公布日期
1977.11.01
申请号
ES19330004456
申请日期
1976.02.27
申请人
EUGEN LUTZ K. G. MASCHINENFABRIK LOMERSHEIM
发明人
分类号
B21D53/74;(IPC1-7):21D/
主分类号
B21D53/74
代理机构
代理人
主权项
地址
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