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发明名称
Dispositif de sécurité pour chemins de fer et autres véhicules
摘要
申请公布号
FR1013153(A)
申请公布日期
1952.07.23
申请号
FRD1013153
申请日期
1950.02.22
申请人
发明人
BOURGETEL PIERRE-MEDERIC-MARIE
分类号
B60T7/18;B60T13/66;B61L3/10
主分类号
B60T7/18
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