NF E29-693/A1*NF EN ISO 12209/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
2017NF E29-693/A1*NF EN ISO 12209/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