AIR-STD-61/48 › Historical Revision Information
Single Number Noise Reduction of Hearing Protectors (Classified - See Your Contracting Officer)
Single Number Noise Reduction of Hearing Protectors (Classified - See Your Contracting Officer)
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Document Number
AIR-STD-61/48
Revision Level
DISTRIBUTION STATEMENT C
Status
Superseded
Publication Date
Jan. 1, 1960