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发明名称
Schotterloses Oberbausystem für zumindest ein Eisenbahngleis
摘要
申请公布号
DE4442497(C2)
申请公布日期
1997.04.17
申请号
DE19944442497
申请日期
1994.11.30
申请人
HOCHTIEF AG VORM. GEBR. HELFMANN, 45128 ESSEN, DE
发明人
DAHL, JOHANNES, DIPL.-ING., 44225 DORTMUND, DE;ENGELKE, GERHARD, 44532 LUENEN, DE
分类号
E01B3/38;E01B1/00;E01B2/00;E01B3/40;E01B9/38;E01B19/00;E01B29/00;(IPC1-7):E01B3/38
主分类号
E01B3/38
代理机构
代理人
主权项
地址
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