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发明名称
Improvements relating to fastening devices for railway and like rails
摘要
申请公布号
GB358001(A)
申请公布日期
1931.09.25
申请号
GB19300019381
申请日期
1930.06.25
申请人
JAMES PAUL GRIFFITHS
发明人
分类号
E01B9/46
主分类号
E01B9/46
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代理人
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