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发明名称
POINT-OPERATING SYSTEM
摘要
申请公布号
EP0904458(A1)
申请公布日期
1999.03.31
申请号
EP19970925069
申请日期
1997.06.10
申请人
SCHWIHAG GESELLSCHAFT FUER EISENBAHNOBERBAU MBH
发明人
HEIM, ARMIN
分类号
E01B7/20;(IPC1-7):E01B7/20
主分类号
E01B7/20
代理机构
代理人
主权项
地址
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