SN EN ISO 11691:2021
Acoustics - Measurement of insertion loss of ducted silencers without flow - Laboratory survey method (ISO 11691:2020) (English Version)
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SN EN ISO 11691:2021
Standard No.
SN EN ISO 11691:2021
Language
Chinese,
Available in English version
Release Date
2021
Published By
CH-SNV
Replace By
SN EN ISO 11691:2010
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