Norm-Entwurf
19/30381327 DC
19/30381327 DC
BS ISO 23551-5. Safety and control devices for gas burners and gas-burning appliances. Particular requirements. Part 5. Manual gas valves
Titel (englisch)
BS ISO 23551-5. Safety and control devices for gas burners and gas-burning appliances. Particular requirements. Part 5. Manual gas valves