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发明名称
SISTEMA DE BLOQUE RELEVADOR PARA EL CAMBIO DE VIA EN ESTA- CIONES FERROVIARIAS.
摘要
申请公布号
ES345789(A1)
申请公布日期
1968.11.16
申请号
ES19890003457
申请日期
1967.09.23
申请人
K. B. G. U. S. I S. M. P. S.
发明人
分类号
B61L;(IPC1-7):B61L/
主分类号
B61L
代理机构
代理人
主权项
地址
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