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发明名称
UNA INSTALACIoN PARA EL CIERRE DE LAS BARRERAS, EN LOS PASOS A NIVEL DE LOS FERROCARRILES, ACCIONADAS POR EL PASO DEL TREN
摘要
申请公布号
ES192547(A1)
申请公布日期
1950.08.01
申请号
ES19470001925
申请日期
1950.04.15
申请人
PULIDO DE LA TORRE, MANUEL
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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