NF E29-316-2/A1*NF EN 1074-2/A1:2004 Valves for water supply - Fitness for purpose requirements and appropriate verification tests - Part 2 : isolating valves
2004NF E29-316-2/A1*NF EN 1074-2/A1:2004 Valves for water supply - Fitness for purpose requirements and appropriate verification tests - Part 2 : isolating valves