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发明名称
UN PROCEDIMIENTO PARA LA FABRICACION DE TUBOS, BARRAS PERFILADAS O CUERPOS HUECOS SIMILARES
摘要
申请公布号
ES283345(A1)
申请公布日期
1963.06.01
申请号
ES19450002833
申请日期
1962.12.13
申请人
DANZER, JOSEF HELMUT
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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