ÖBB-Infrastruktur AG has jointly awarded Hochtief Infrastructure Austria, Implenia Austria and Thyssen Schachtbau the contract to build the Gloggnitz Tunnel…....
ÖBB-Infrastruktur AG has jointly awarded Hochtief Infrastructure Austria, Implenia Austria and Thyssen Schachtbau the contract to build the Gloggnitz Tunnel…....
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