2023DIN EN 12259-13:2023-02 Fixed firefighting systems - Components for sprinkler and water spray systems - Part 13: ESFR sprinklers; German version EN 12259-13:2022
2023DIN EN 12259-13:2023 Fixed firefighting systems - Components for sprinkler and water spray systems - Part 13: ESFR sprinklers
1970DIN EN 12259-13 E:2022-01 Fixed firefighting systems - Components for sprinkler and water spray systems - Part 13: ESFR sprinklers