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发明名称
Improvements in and relating to methods of consolidating permanent way beds and apparatus therefor
摘要
申请公布号
GB478243(A)
申请公布日期
1938.01.10
申请号
GB19360018989
申请日期
1936.07.08
申请人
HEINRICH STEINHAGE G.M.B.H.
发明人
分类号
E01B27/14
主分类号
E01B27/14
代理机构
代理人
主权项
地址
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