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发明名称
Commande et contrôle d'un appareil de signalisation par utilisation de deux fils de ligne
摘要
申请公布号
FR1467895(A)
申请公布日期
1967.02.03
申请号
FR19650043167
申请日期
1965.12.21
申请人
SOCIETE NATIONALE DES CHEMINS DE FER FRANCAIS
发明人
LEROY EMILE
分类号
B61L5/06
主分类号
B61L5/06
代理机构
代理人
主权项
地址
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