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发明名称
Improvements in apparatus for the mechanical upkeep of railroad tracks by the filling method
摘要
申请公布号
GB434096(A)
申请公布日期
1935.08.26
申请号
GB19330032441
申请日期
1933.11.21
申请人
GUSTAVE LAMBLIN
发明人
分类号
E01B27/18
主分类号
E01B27/18
代理机构
代理人
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