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发明名称
Dispositif de répétition des signaux de voie sur les trains en marche
摘要
申请公布号
FR990012(A)
申请公布日期
1951.09.17
申请号
FRD990012
申请日期
1949.07.01
申请人
KOFLER
发明人
分类号
B61L3/04
主分类号
B61L3/04
代理机构
代理人
主权项
地址
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