colorIntroduced

URI: https://gptkb.org/prop/colorIntroduced
6 triples
GPTKB property
Random triples
Subject Object
gptkb:NTSC_television_broadcasts 1953
gptkb:NTSC_television_system 1953
gptkb:NTSC_television 1953
gptkb:NTSC_video 1953
gptkb:NTSC_television_systems 1953
gptkb:Leo_the_Lion_logo 1957