LVS EN ISO 11654:2021

Acoustics - Sound absorbers for use in buildings - Rating of sound absorption (ISO 11654:1997)

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Akustika. Skaņas absorbētāji ēkās. Skaņas absorbcijas parametri (ISO 11654:1997)

Languages: Latvian

Type: standard

ICS groups: 91.120.20 Acoustics in building. Sound insulation

Registred: 15.07.2021.
In force: 15.07.2021.

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