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发明名称
Perfectionnements à la commande à distance d'aiguilles de chemin de fer, de signaux et analogues
摘要
申请公布号
FR756872(A)
申请公布日期
1933.12.16
申请号
FRD756872
申请日期
1932.09.12
申请人
COMPAGNIE GENERALE DE SIGNALISATION
发明人
分类号
B61L7/08
主分类号
B61L7/08
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