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Stadler Signalling Deutschland GmbH, Pillaustraße 1e, DEU, +49531273000, Michael.Peine@stadlerrail.com Efacec engenharia e Sistemas, S.A, Rua Eng. Frederico Ulrich, PRT, +351 229402000, cmbarros@efacec.com Hitachi Rail, Schweigaards gate 16, NOR, +47, bo.eriksen@urbanandmainlines.com
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