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发明名称
Improvements relating to means for fixing railway rails
摘要
申请公布号
GB696418(A)
申请公布日期
1953.09.02
申请号
GB19500003801
申请日期
1950.02.14
申请人
SAMUEL BOTTAMS;JOHN NORMAN BURNS
发明人
分类号
E01B9/48;E01B9/68
主分类号
E01B9/48
代理机构
代理人
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