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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 S31-066-2 ; NF EN ISO 11904-2:2021-03-17
Acoustics - Determination of sound immission from sound sources placed close to the ear - Part 2: technique using a manikin

Title (German)

Akustik - Bestimmung der Schallimmission von ohrnahen Schallquellen - Teil 2: Verfahren unter Verwendung eines Kopf- und Rumpfsimulators

Edition 2021-03-17

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 S31-066-2 ; NF EN ISO 11904-2:2021-03-17 Acoustics - Determination of sound immission from sound sources placed close to the ear - Part 2: technique using a manikin

Want to learn more?

NF S31-066-2 ; NF EN ISO 11904-2:2021-03-17
Acoustics - Determination of sound immission from sound sources placed close to the ear - Part 2: technique using a manikin