Method for exchanging two-block sleepers of a track formed by concrete blocks connected together by a steel support comprises initially separating the steel support from the concrete blocks and positioning in a container
摘要
申请公布号
AT503923(A4)
申请公布日期
2008.02.15
申请号
AT20070000054
申请日期
2007.01.11
申请人
FRANZ PLASSER BAHNBAUMASCHINEN-INDUSTRIEGESELLSCHAFT M.B.H.