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发明名称
Système de signalisation sur chemins de fer
摘要
申请公布号
FR781310(A)
申请公布日期
1935.05.13
申请号
FRD781310
申请日期
1934.11.16
申请人
COMPAGNIE FRANCAISE POUR L'EXPLOITATION DES PROCEDES THOMSON-HOUSTON
发明人
分类号
B61L1/18
主分类号
B61L1/18
代理机构
代理人
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地址
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