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STN is a protected designation of Slovak national technical standards.
High-efficiency filters and filter media for removing particles in air - Part 4: Test method for determining leakage of filter elements-Scan method (ISO 29463-4:2011)
Standard published on 1.5.2019
Selected format:High-efficiency filters and filter media for removing particles in air - Part 5: Test method for filter elements (ISO 29463-5:2022)
Standard published on 1.8.2022
Selected format:High efficiency air filters (HEPA and ULPA). Part 1: Classification, performance testing, marking
WITHDRAWN published on 1.11.2001
Selected format:High efficiency air filters (EPA, HEPA and ULPA) - Part 1: Classification, performance testing, marking
WITHDRAWN published on 1.4.2010
Selected format:High efficiency air filters (HEPA and ULPA). Part 2: Aerosol production, measuring equipment, particle counting statistics
WITHDRAWN published on 1.10.2001
Selected format:High efficiency air filters (EPA, HEPA and ULPA) - Part 2: Aerosol production, measuring equipment, particle counting statistics
WITHDRAWN published on 1.4.2010
Selected format:High efficiency air filters (HEPA and ULPA). Part 3: Testing flat sheet filter media
WITHDRAWN published on 1.10.2001
Selected format:High efficiency air filters (EPA, HEPA and ULPA) - Part 3: Testing flat sheet filter media
WITHDRAWN published on 1.4.2010
Selected format:High efficiency particulate air filters (HEPA and ULPA). Part 4: Determining leakage of filter element (Scan method)
WITHDRAWN published on 1.10.2001
Selected format:High efficiency air filters (EPA, HEPA and ULPA) - Part 4: Determining leakage of filter elements (scan method)
WITHDRAWN published on 1.4.2010
Selected format:Latest update: 2026-06-11 (Number of items: 2 281 927)
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