DIN EN 1822-2 (2011-01)现行
High efficiency air filters (EPA, HEPA and ULPA) Part 2: Aerosol production, measuring equipment, particle counting statistics
出版：German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频
NEN EN 1822-2:2009 - Identical
UNE EN 1822-2:2010 - Identical
NBN EN 1822-2:2010 - Identical
SN EN 1822-2:2010 - Identical
SS EN 1822-2 Ed. 2 (2009) - Identical
NF EN 1822-2:2010 - Identical
