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发明名称
UN PROCEDIMIENTO Y DISPOSITIVO PARA LA COLOCACIoN DE SECCIONES MONTADAS DE VIA FÉRREA
摘要
申请公布号
ES226835(A1)
申请公布日期
1956.04.16
申请号
ES19350002268
申请日期
1956.02.20
申请人
ENTREPRISE DROUARD FRCRES
发明人
分类号
(IPC1-7):E01
主分类号
(IPC1-7):E01
代理机构
代理人
主权项
地址
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