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发明名称
Appareil de sécurité des trains de chemins de fer
摘要
申请公布号
FR715378(A)
申请公布日期
1931.12.02
申请号
FRD715378
申请日期
1930.08.12
申请人
发明人
RODOLAUSSE ELOI
分类号
B61L3/04
主分类号
B61L3/04
代理机构
代理人
主权项
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