Videoaviation is planning to release in 1:32 scale a servicing cart with liquid oxygen recharging system for aircraft.
This is partial text from the full article (usually with photos) at https://aeroscale.net/news/lox-recharging-cart-planned
This is partial text from the full article (usually with photos) at https://aeroscale.net/news/lox-recharging-cart-planned