
HIGH EFFICIENCY AIR FILTERS (HEPA AND ULPA). PART 3: TESTING FLAT SHEET FILTER MEDIA
STANDARD published on 21.5.1999
Designation standards: UNE-EN 1822-3:1999
Note: WITHDRAWN
Publication date standards: 21.5.1999
The number of pages: 24
Approximate weight : 72 g (0.16 lbs)
Country: Spanish technical standard
Category: Technical standards UNE