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发明名称
Circuit de voie de chemin de fer perfectionné
摘要
申请公布号
FR1399687(A)
申请公布日期
1965.05.21
申请号
FR19640970169
申请日期
1964.04.08
申请人
COMPAGNIE DE SIGNAUX ET D'ENTREPRISES ELECTRIQUES
发明人
分类号
B61L23/16
主分类号
B61L23/16
代理机构
代理人
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