DescriptionGilgenDoorSystemslogo.svg English: Logo of GilgenDoorSystems. Date 1 April 2011 Source https://www.gilgendoorsystems.com/en Author GilgenDoor Systems
DescriptionKaba Gilgen AG logo.svg English: Logo of Kaba Gilgen. Date 1 January 2002 Source http://mtr.hk365day.com/Railway/Special/psd/KABA_Gilgen_AG.png Author