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发明名称
ENTRETOISE EN CORNIERE TORSADEE POUR TRAVERSE DE CHEMIN DE FER
摘要
申请公布号
FR2546198(B1)
申请公布日期
1985.08.30
申请号
FR19830008414
申请日期
1983.05.20
申请人
TRANCEL
发明人
分类号
E01B3/36;(IPC1-7):E01B3/48;E01B3/16
主分类号
E01B3/36
代理机构
代理人
主权项
地址
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