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经营范围
发明名称
Ballastless track superstructure for at least one railway track
摘要
申请公布号
EP0715021(B1)
申请公布日期
1998.10.07
申请号
EP19950117016
申请日期
1995.10.28
申请人
HOCHTIEF AKTIENGESELLSCHAFT VORM. GEBR. HELFMANN
发明人
DAHL, JOHANNES, DIPL.-ING.;ENGELKE, GERHARD, ING.-GRAD.
分类号
E01B3/38;E01B1/00;E01B2/00;E01B3/40;E01B9/38;E01B19/00;E01B29/00;(IPC1-7):E01B1/00
主分类号
E01B3/38
代理机构
代理人
主权项
地址
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