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发明名称
Système de commande de trafic centralisé pour les chemins de fer
摘要
申请公布号
FR1059738(A)
申请公布日期
1954.03.26
申请号
FRD1059738
申请日期
1952.07.16
申请人
SOCIETE GENERALE DE CONSTRUCTIONS ELECTRIQUES & MECANIQUES
发明人
分类号
B61L7/08
主分类号
B61L7/08
代理机构
代理人
主权项
地址
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