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NA 060

DIN Standards Committee Mechanical Engineering

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DIN EN 14656 [Withdrawn] references following documents:

Document number Edition Title
EN ISO 11820 1996-12 Acoustics - Measurements on silencers in situ (ISO 11820:1996) More 
EN ISO 11821 1997-04 Acoustics - Measurement of the in situ sound attenuation of a removable screen (ISO 11821:1997) More