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发明名称
Système de protection électro-mécanique empêchant cumulativement les télescopages de trains et les accidents de passage à niveau
摘要
申请公布号
FR819369(A)
申请公布日期
1937.10.15
申请号
FRD819369
申请日期
1937.03.18
申请人
发明人
PASCHKES GASTON
分类号
B61L3/18
主分类号
B61L3/18
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代理人
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