NA 041
DIN Standards Committee Heating and Ventilation Technology and their Safety
Standards
[Withdrawn]
DIN 4794-1
DIN 4794-1
Stationary fan-assisted air heaters, with and without interchange of heat; common requirements and conditions for ventilation, testing
Title (German)
Ortsfeste Warmlufterzeuger, mit und ohne Wärmeaustauscher; Allgemeine und lufttechnische Anforderungen, Prüfung