NA 060
DIN Standards Committee Mechanical Engineering
Standards
[Withdrawn]
DIN EN 1822-4
DIN EN 1822-4
High efficiency particulate air filters (HEPA and ULPA) - Part 4: Determining leakage of filter elements (Scan method); German version EN 1822-4:2000
Title (German)
Schwebstofffilter (HEPA und ULPA) - Teil 4: Leckprüfung des Filterelementes (Scan-Verfahren); Deutsche Fassung EN 1822-4:2000