References

collage_HGF_rev3_2018-1

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

pic_01_ref_metro_ventilation_austria
Tunnels & Caverns: Metro ventilation systems

Vienna Underground, Line U1

details
pic_03_ref_metro_ventilation_germany
Tunnels & Caverns: Metro ventilation systems

German Metro System

details
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