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发明名称
PERFECCIONAMIENTOS EN ELEMENTOS DE RODAMEN PARA VAGONES DE FERROCARRIL, ADAPTABLES A DIVERSOS ANCHOS DE VIAS
摘要
申请公布号
ES296171(A1)
申请公布日期
1964.09.01
申请号
ES19710002961
申请日期
1964.02.06
申请人
FUENTE GARCIA, LUIS DE LA
发明人
分类号
(IPC1-7):B61
主分类号
(IPC1-7):B61
代理机构
代理人
主权项
地址
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