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发明名称
Perfectionnements aux postes à itinéraires à enclenchements électriques pour la commande du trafic ferroviaire
摘要
申请公布号
FR1011691(A)
申请公布日期
1952.06.25
申请号
FRD1011691
申请日期
1949.03.04
申请人
COMPAGNIE DES FREINS ET SIGNAUX WESTINGHOUSE
发明人
分类号
B61L19/06
主分类号
B61L19/06
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