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BSI Group, 02/29/2012
Publisher: BS
File Format: PDF
$112.00$224.35
Published:29/02/2012
Pages:15
BS EN 1822-5. High efficiency air filters (EPA, HEPA and ULPA). Part 5. Determining the efficiency of filter elements
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BS EN 1315. Dimensional classification of round timber
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BS EN 1822-3. High efficiency air filters (EPA, HEPA and ULPA). Part 3. Testing flat sheet filter media
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BS EN 1822-1. High efficiency air filters (EPA, HEPA and ULPA). Part 1. Classification, performance testing, marking
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