View Set History: 7573 - Boarding Gate Extension Set created on Apr 23, 2014 by klickypedia - Revision #3 by John Blake - Mar 9, 2023 PlayTags: system-x, extensions, buildings Revision #2 by Fire-Chief Luc - Sep 15, 2017French Name: empty () Extension d'aeroport Revision #1 by Argand - Apr 24, 2016German Name: empty () Flughafen-Erweiterung Released: empty () 2002