AIR-STD-61/48 › Historical Revision Information
Single Number Noise Reduction of Hearing Protectors (Req Forissue Other Than DOD Must
Single Number Noise Reduction of Hearing Protectors (Classified - See Your Contracting Officer)
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Document Number
AIR-STD-61/48
Revision Level
BASE
Status
Superseded
Publication Date
July 30, 1986