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发明名称
PROCESS FOR SUPPORTING A RAILWAY TRACK INSTALLATION
摘要
申请公布号
EP0441811(B1)
申请公布日期
1992.12.23
申请号
EP19890911817
申请日期
1989.10.24
申请人
FROHN, GUENTER
发明人
FROHN, GUENTER
分类号
E01B1/00
主分类号
E01B1/00
代理机构
代理人
主权项
地址
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