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Date: 2014-06-24 14:18:45Noise Hearing Protective gear Sound Earplug Earmuffs National Institute for Occupational Safety and Health Hearing protectors Industrial noise Noise reduction Waves Headgear | In-Depth Survey Report Comparison of Two Acoustic Test Fixtures for Measurement of Impulse Peak Insertion Loss Amir Khan, Cameron J. Fackler, William J. Murphy, Ph.D.Add to Reading ListSource URL: www.cdc.govDownload Document from Source WebsiteFile Size: 806,97 KBShare Document on Facebook |