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发明名称
Rail keepers and rail retaining equipment
摘要
申请公布号
GB2096212(A)
申请公布日期
1982.10.13
申请号
GB19810010499
申请日期
1981.04.03
申请人
COAL INDUSTRY (PATENTS) LTD
发明人
分类号
E01B9/34;(IPC1-7):E01B9/34
主分类号
E01B9/34
代理机构
代理人
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