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发明名称
Dispositif de sécurité assurant l'arrêt automatique des trains
摘要
申请公布号
FR768910(A)
申请公布日期
1934.08.16
申请号
FRD768910
申请日期
1934.02.21
申请人
发明人
BLANDIN CHARLES
分类号
B61L3/04
主分类号
B61L3/04
代理机构
代理人
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地址
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