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NA 023

DIN Standards Committee Ergonomics

About NAErg Projects Drafts Publications Documents withdrawn without replacement National committees European committees International committees

DIN EN 457 [Withdrawn] references following documents:

Document number Edition Title
IEC 60225 1966 Octave, half-octave and third-octave band filters intended for the analysis of sounds and vibrations More 
IEC 60651 1979 Sound level meters More