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发明名称
Railway track and sleeper and gap-covering element therefor
摘要
申请公布号
AU713998(B2)
申请公布日期
1999.12.16
申请号
AU19970025654
申请日期
1997.02.17
申请人
OLAF UNBEHAUN
发明人
OLAF UNBEHAUN
分类号
E01B1/00;E01B2/00;E01B3/40;(IPC1-7):E01B3/40
主分类号
E01B1/00
代理机构
代理人
主权项
地址
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