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Hydrogen Technologies Standards form the basic framework for market ramp-up
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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 S31-070-2 ; NF EN ISO 9053-2:2020-10-07
Acoustics - Determination of airflow resistance - Part 2: alternating airflow method

Title (German)

Akustik - Bestimmung des Strömungswiderstandes - Teil 2: Alternierendes Strömungsverfahren

Edition 2020-10-07

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 S31-070-2 ; NF EN ISO 9053-2:2020-10-07 Acoustics - Determination of airflow resistance - Part 2: alternating airflow method

Want to learn more?

NF S31-070-2 ; NF EN ISO 9053-2:2020-10-07
Acoustics - Determination of airflow resistance - Part 2: alternating airflow method