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发明名称
Dispositif pour la commande automatique des signaux de chemins de fer
摘要
申请公布号
FR794824(A)
申请公布日期
1936.02.26
申请号
FRD794824
申请日期
1934.11.27
申请人
发明人
SALKIND NICOLAS
分类号
B61L13/04
主分类号
B61L13/04
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