NA 041
DIN Standards Committee Heating and Ventilation Technology and their Safety
Standards
[Withdrawn]
DIN 24193-2
DIN 24193-2
Ducting for ventilation equipment; flanges; series 2; flat and angle flanges
Title (German)
Kanalbauteile für lufttechnische Anlagen; Flansche; Flach- und Winkelflansche Reihe 2