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发明名称
Perfectionnements apportés aux dispositifs de retour de courant pour véhicules électriques sur rails
摘要
申请公布号
FR1547620(A)
申请公布日期
1968.11.29
申请号
FR19676949185
申请日期
1967.10.04
申请人
LUCIEN FERRAZ & CIE
发明人
分类号
B61F15/28;H01R4/64;H01R39/46;H01R39/64
主分类号
B61F15/28
代理机构
代理人
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