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The top documents tagged [assigned nrr]
Documents
Earplugs.Pre-formed Single Flange Triple Flange Quad Flange Combat Arms Ear Plugs.Hand-formed Noise Muffs Ear Canal Caps Helmets * Approved
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Documents
ALN about NRR - A Little Noise about Noise Reduction Ratings Presented at the 2007 “Tidewater LS AIHA Fall PDC” on Nov 16, 2007 by Christopher D. Jones,
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