UNE-EN ISO 12209-2:2001 GAS CYLINDERS - OUTLET CONNECTIONS FOR GAS CYLINDER VALVES FOR COMPRESSED BREATHABLE AIR - PART 2: THREADED CONNECTIONS. (ISO 12209-2:2000).
2001UNE-EN ISO 12209-2:2001 GAS CYLINDERS - OUTLET CONNECTIONS FOR GAS CYLINDER VALVES FOR COMPRESSED BREATHABLE AIR - PART 2: THREADED CONNECTIONS. (ISO 12209-2:2000).