DIN EN 13141-9:2008-10 Ventilation for buildings - Performance testing of components/products for residential ventilation - Part 9: Externally mounted humidity controlled air transfer device; German version EN 13141-9:2008
2008DIN EN 13141-9:2008-10 Ventilation for buildings - Performance testing of components/products for residential ventilation - Part 9: Externally mounted humidity controlled air transfer device; German version EN 13141-9:2008
2008DIN EN 13141-9:2008 Ventilation for buildings - Performance testing of components/products for residential ventilation - Part 9: Externally mounted humidity controlled air transfer device; English version of DIN EN 13141-9:2008-10