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ASHRAE 52.2-2017 (October 15, 2020)
M00003799
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ASHRAE 52.2-2017 (October 15, 2020) Errata to Standard 52.2-2017 -- Method of Testing General Ventilation Air-Cleaning Devices for Removal Efficiency by Particle Size (ANSI approved)
Amendment by ASHRAE, 2020
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