2017UNE-EN ISO 12209:2014/A1:2017 Gas cylinders - Outlet connections for gas cylinder valves for compressed breathable air - Amendment 1: Outlet connection up to a maximum cylinder working pressure of 500 bar (ISO 12209:2013/Amd 1:2016, Corrected version 2017-03)
2014UNE-EN ISO 12209:2014 Gas cylinders - Outlet connections for gas cylinder valves for compressed breathable air (ISO 12209:2013)