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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 S31-062-6 ; NF ISO 4869-6:2019-08-24
Acoustics - Hearing protectors - Part 6: determination of sound attenuation of active noise reduction earmuffs

Title (German)

Akustik - Gehörschützer - Teil 6: Bestimmung der Schalldämmung von Kapselgehörschützern mit aktiver Geräuschkompensation

Edition 2019-08-24

Original language French

Price from 61.80 €

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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 S31-062-6 ; NF ISO 4869-6:2019-08-24 Acoustics - Hearing protectors - Part 6: determination of sound attenuation of active noise reduction earmuffs

Want to learn more?

NF S31-062-6 ; NF ISO 4869-6:2019-08-24
Acoustics - Hearing protectors - Part 6: determination of sound attenuation of active noise reduction earmuffs