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STN is a protected designation of Slovak national technical standards.
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WITHDRAWN published on 1.4.2010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WITHDRAWN published on 1.10.2001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WITHDRAWN published on 1.4.2010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:High efficiency particulate air filters (HEPA and ULPA). Part 5: Determining the efficiency of filter element
WITHDRAWN published on 1.10.2001
Selected format:High efficiency air filters (EPA, HEPA and ULPA) - Part 5: Determining the efficiency of filter elements
WITHDRAWN published on 1.4.2010
Selected format:High-efficiency filters and filter media for removing particles in air - Part 5: Test method for filter elements (ISO 29463-5:2011)
WITHDRAWN published on 1.5.2019
Selected format:In situ test methods for high efficiency filter systems in industrial facilities
Standard published on 1.12.2017
Selected format:In situ test methods for high efficiency filter systems in industrial facilities (ISO 16170:2016)
WITHDRAWN published on 1.1.2017
Selected format:Test method to measure the efficiency of air filtration media against spherical nanomaterials - Part 1: Size range from 20 nm to 500 nm (ISO 21083-1:2018)
Standard published on 1.6.2019
Selected format:Test method to measure the efficiency of air filtration media against spherical nanomaterials - Part 2: Size range from 3 nm to 30 nm (ISO/TS 21083-2:2019)
Standard published on 1.8.2019
Selected format:Latest update: 2026-11-02 (Number of items: 2 209 038)
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