DIN EN 13141-1:2019-04 Ventilation for buildings - Performance testing of components/products for residential ventilation - Part 1: Externally and internally mounted air transfer devices; German version EN 13141-1:2019
2019DIN EN 13141-1:2019-04 Ventilation for buildings - Performance testing of components/products for residential ventilation - Part 1: Externally and internally mounted air transfer devices; German version EN 13141-1:2019
2019DIN EN 13141-1:2019 Ventilation for buildings - Performance testing of components/products for residential ventilation - Part 1: Externally and internally mounted air transfer devices
2017DIN EN 13141-1:2017 Ventilation for buildings - Performance testing of components/products for residential ventilation - Part 1: Externally and internally mounted air transfer devices; German and English version prEN 13141-1:2017
2004DIN EN 13141-1:2004 Ventilation for buildings - Performance testing of components/products for residential ventilation - Part 1: Externally and internally mounted air transfer devices; German version EN 13141-1:2004