initial use

URI: https://gptkb.org/prop/initial_use
4 triples
GPTKB property
Random triples
Subject Object
gptkb:M41_Rocket_Launcher 1960s
gptkb:ZIS-10 gptkb:Korean_War
gptkb:Fairchild_22 gptkb:civil_aviation
gptkb:D-44_gun gptkb:Korean_War