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经营范围
发明名称
Improved means for securing railway rails to sleepers
摘要
申请公布号
GB345856(A)
申请公布日期
1931.04.02
申请号
GB19300013074
申请日期
1930.04.28
申请人
STANLEY SOMERSET WREFORD PADDON;ROBERT RICHARD GALES;HAROLD CHISMAN MUGGERIDGE
发明人
分类号
E01B9/32
主分类号
E01B9/32
代理机构
代理人
主权项
地址
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