Switzerland, June 12 -- Switzerland based DE_Walo Bertschinger AG Graubunden has secured contract from Ufficio federale delle strade USTRA, divisione infrastruttura stradale Est for Construction work MP-080322 N13 EP22 AS Rothenbrunnen - AS Vial Baumeister Trasse Nord . The value of the contract is worth 3040748980 CHF .

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