Eurostat, Luxembourg. 73029020 (01/2002-12/2003) Sleepers `cross-ties` and check-rails, of iron or steel, for railway or tramway track: CN 73029020 /Exports /Unit = Quantities in tons /Partner: Slovenia /Reporter: European Union /73029020:Sleepers 'cross-ties' and Check-rails, of Iron or Steel, for Railway or Tramway Track.