year of last major upgrade

URI: https://gptkb.org/prop/year_of_last_major_upgrade
7 triples
GPTKB property
Random triples
Subject Object
gptkb:ETR_500 gptkb:2015
gptkb:ETR_series gptkb:2015
gptkb:ICE_3_400_series gptkb:2017
gptkb:Risdon_Brook_Dam gptkb:2010
gptkb:Kintetsu_21000_series gptkb:2010
gptkb:Erie_and_Indiana_Railroad gptkb:2000
gptkb:Payette_River_Dam gptkb:2000