References

collage_HGF_rev3_2018-1

The references listed on the website comprise a selection of successfully executed and ongoing projects.

pic_01_ref_railway_tunnel_norway
Tunnels & Caverns: Railway Tunnel Ventilation Systems

22 km Long Railway Tunnel in Norway

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pic_01_ref_railway_tunnel_austria
Tunnels & Caverns: Railway Tunnel Ventilation Systems

13.4 km Long Railway Tunnel in Austria

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