NA 005
DIN Standards Committee Building and Civil Engineering
Technical rule
[CURRENT]
VDMA 24177
VDMA 24177
Powered smoke and heat control ventilators (Fans) for smoke extraction from buildings in the event of fire
Title (German)
Maschinelle Rauch- und Wärmeabzugsgeräte zur Rauchableitung aus Gebäuden im Brandfall