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Document History

  1. UNE-EN 13230-4:2010


    Railway applications - Track - Concrete sleepers and bearers - Part 4: Prestressed bearers for switches and crossings

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  2. UNE-EN 13230-4:2003

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    Railway applications - Track - Concrete sleepers and bearers - Part 4 : Prestressed bearers for switches and crossings

    • Historical Version