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发明名称
PERFECCIONAMIENTOS EN FRENOS DE VACIO DE DOS CáMARAS, ESPECIALMENTE PARA VEHICULOS FERROVIARIOS
摘要
申请公布号
ES247505(A1)
申请公布日期
1959.06.01
申请号
ES19050002475
申请日期
1959.02.24
申请人
KNORR-BREMSE G.M.B.H.
发明人
分类号
(IPC1-7):B61
主分类号
(IPC1-7):B61
代理机构
代理人
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地址
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