Test method of air filter units for ventilation and electric air cleaners for ventilation -- Part 4: Conditioning method to determine the minimum fractional test efficiency
NORM herausgegeben am 20.2.2019
Designation standards: JIS B9908-4:2019
Publication date standards: 20.2.2019
The number of pages: 18
Approximate weight : 54 g (0.12 lbs)
Country: Other standards
Kategorie: Technische Normen JIS