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发明名称
Dispositif de sécurité permettant l'éclairage à haute tension des voitures de chemins de fer électriques
摘要
申请公布号
FR733697(A)
申请公布日期
1932.10.10
申请号
FRD733697
申请日期
1931.06.24
申请人
COMPAGNIE DU CHEMIN DE FER METROPOLITAIN DE PARIS
发明人
分类号
F21S8/04
主分类号
F21S8/04
代理机构
代理人
主权项
地址
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