https://www.semanticscholar.org/topic/IBM-473L-Command-and-Control-System/3079340
IBM 473L Command and Control System | Semantic Scholar
The IBM 473L Command and Control System (473L System, 473L colloq.) was a USAF Cold War "Big L" Support System with computer equipment at The Pentagon and, in...
command and controlibm473lsystemsemantic
https://www.lg.com/africa/refrigerators/lg-gn-f452pfaq
473L Top Freezer Fridge in Essence Matt Black | LG Africa
473L Top Freezer Fridge in Essence Matt Black
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