DIN EN 12239:2001-11 Ventilation for buildings - Air terminal devices - Aerodynamic testing and rating for displacement flow applications; German version EN 12239:2001
2001DIN EN 12239:2001-11 Ventilation for buildings - Air terminal devices - Aerodynamic testing and rating for displacement flow applications; German version EN 12239:2001
2001DIN EN 12239:2001 Ventilation for buildings - Air terminal devices - Aerodynamic testing and rating for displacement flow applications; German version EN 12239:2001