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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 S31-079-1 ; NF EN ISO 10534-1:2003-01-01
Acoustics - Determination of sound absorption coefficient and impedance in impedance tubes - Part 1: method using standing wave ratio

Title (German)

Akustik - Bestimmung des Schallabsorptionsgrades und der Impedanz in Impedanzrohren - Teil 1: Verfahren mit Stehwellenverhältnis

Edition 2003-01-01

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 S31-079-1 ; NF EN ISO 10534-1:2003-01-01 Acoustics - Determination of sound absorption coefficient and impedance in impedance tubes - Part 1: method using standing wave ratio

Want to learn more?

NF S31-079-1 ; NF EN ISO 10534-1:2003-01-01
Acoustics - Determination of sound absorption coefficient and impedance in impedance tubes - Part 1: method using standing wave ratio