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发明名称
VERFAHREN ZUM AUSWECHSELN VON EISENBAHNSCHWELLEN UND AUSSTATTUNG ZUR ANWENDUNG DIESES VERFAHRENS
摘要
申请公布号
AT153406(T)
申请公布日期
1997.06.15
申请号
AT19920912336T
申请日期
1992.06.23
申请人
NIIRANEN, JAAKKO
发明人
NIIRANEN, JAAKKO
分类号
E01B29/06;E01B29/09;(IPC1-7):E01B29/10
主分类号
E01B29/06
代理机构
代理人
主权项
地址
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