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发明名称
PERFECCIONAMIENTOS EN BANCOS DE ESTIRAJE PARA BARRAS, VARILLAS, TUBOS Y SIMILARES
摘要
申请公布号
ES178245(A1)
申请公布日期
1947.07.16
申请号
ES19450001782
申请日期
1947.05.30
申请人
THE YORKSHIRE COPPER WORKS, LIMITED
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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