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发明名称
UN DISPOSITIVO PARA LA FABRICACION DE TUBOS SIN SOLDADURA
摘要
申请公布号
ES207123(A1)
申请公布日期
1953.06.01
申请号
ES19230002071
申请日期
1953.01.07
申请人
CALMES, ALBERT;DVORAK, EMILIO
发明人
分类号
(IPC1-7):B21
主分类号
(IPC1-7):B21
代理机构
代理人
主权项
地址
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