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HEPA шүүлтүүрийн стандарт — Википедиа …
HEPA нь агаарын шүүлтүүрийн товчилсон нэр стандарт юм. (High-efficiency particulate air = HEPA) HEPA нь маш олон төрлийн үйлдвэрллийн агаарын цэвэршүүлэлтийн стандарт болон хэрэглэгддэг үүнд эмнэлгийн тоног төхөөрөмж, машин, онгоц болон гэр ахуйн төхөөрөмжүүдэд хэрэглэгддэг. АНУ зэрэг зарим улсад агаарын шүүлтүүрийн HEPA-ын стандарт нь 99,97…
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