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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]

OENORM EN ISO 11821
Acoustics - Measurement of the in situ sound attenuation of a removable screen (ISO 11821:1997)

Title (German)

Akustik - Messung der Schalldämpfung von versetzbaren Schallschirmen im Einsatzfall (ISO 11821:1997)

Edition 1997-10-01

Original language German

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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

OENORM EN ISO 11821 Acoustics - Measurement of the in situ sound attenuation of a removable screen (ISO 11821:1997)

Want to learn more?

OENORM EN ISO 11821
Acoustics - Measurement of the in situ sound attenuation of a removable screen (ISO 11821:1997)