DIN EN 1074-6:2009-03 Valves for water supply - Fitness for purpose requirements and appropriate verification tests - Part 6: Hydrants; German version EN 1074-6:2008
2009DIN EN 1074-6:2009-03 Valves for water supply - Fitness for purpose requirements and appropriate verification tests - Part 6: Hydrants; German version EN 1074-6:2008
2009DIN EN 1074-6:2009 Valves for water supply - Fitness for purpose requirements and appropriate verification tests - Part 6: Hydrants; German version EN 1074-6:2008