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发明名称
Dispositif de sécurité pour convois ferroviaires
摘要
申请公布号
FR1327206(A)
申请公布日期
1963.05.17
申请号
FR19620893371
申请日期
1962.04.05
申请人
发明人
BIDEAU ANDRE
分类号
B61L1/20
主分类号
B61L1/20
代理机构
代理人
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