DIN EN 1366-1:2020-11 Fire resistance tests for service installations - Part 1: Ventilation ducts; German version EN 1366-1:2014+A1:2020 / Note: Applies in conjunction with DIN EN 1363-1 (2020-05).
2020DIN EN 1366-1:2020 Fire resistance tests for service installations - Part 1: Ventilation ducts; German version EN 1366-1:2014+A1:2020
2019DIN EN 1366-1/A1:2019 Fire resistance tests for service installations - Part 1: Ventilation ducts; German and English version EN 1366-1:2014/prA1:2019