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Standard UNE-EN ISO 11691:2021 13.10.2021 preview

UNE-EN ISO 11691:2021

Acoustics - Measurement of insertion loss of ducted silencers without flow - Laboratory survey method (ISO 11691:2020)

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STANDARD published on 13.10.2021


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The information about the standard:

Designation standards: UNE-EN ISO 11691:2021
Publication date standards: 13.10.2021
SKU: NS-1041589
The number of pages: 17
Approximate weight : 51 g (0.11 lbs)
Country: Spanish technical standard
Category: Technical standards UNE

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Ventilation and air-conditioning systemsAcoustics in building. Sound insulation

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