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Hydrogen Technologies Standards form the basic framework for market ramp-up
More information
Climate change Standards and specifications support climate targets
More information
Smart Farming Standards and specifications are drivers for the digitalization of agriculture
More information

Standards [CURRENT]

NF S31-065
Acoustics. Testing of architectural acoustics. Determination of sound absorption coefficient and impedance in a tube

Title (German)

BAUAKUSTISCHE PRUEFUNGEN. BESTIMMUNG DES SCHALLABSORPTIONSGRADES UND DER IMPEDANZ IM ROHR

Edition 1981-03-01

Original language French

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Hydrogen Technologies Standards form the basic framework for market ramp-up

Climate change Standards and specifications support climate targets

Smart Farming Standards and specifications are drivers for the digitalization of agriculture

NF S31-065 Acoustics. Testing of architectural acoustics. Determination of sound absorption coefficient and impedance in a tube

Want to learn more?

NF S31-065
Acoustics. Testing of architectural acoustics. Determination of sound absorption coefficient and impedance in a tube