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发明名称
Frotteur en charbon de grande résistance à la flexion pour organes de captation decourant de véhicules électriques
摘要
申请公布号
FR1135723(A)
申请公布日期
1957.05.03
申请号
FRD1135723
申请日期
1955.11.23
申请人
C. CONRADTY
发明人
HOLLEBER EBERHARD;ECKERT WILLY
分类号
B60L5/20
主分类号
B60L5/20
代理机构
代理人
主权项
地址
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