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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 S30-007-6 ; NF EN ISO 389-6:2008-04-01
Acoustics - Reference zero for the calibration of audiometric equipment - Part 6: reference threshold of hearing for test signals of short duration

Title (German)

Akustik - Bezugsschwellen zur Kalibrierung von Audiometern - Teil 6: Äquivalente Bezugsschwellen-Schalldruckpegel für akustische Kurzzeit-Testsignale

Edition 2008-04-01

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 S30-007-6 ; NF EN ISO 389-6:2008-04-01 Acoustics - Reference zero for the calibration of audiometric equipment - Part 6: reference threshold of hearing for test signals of short duration

Want to learn more?

NF S30-007-6 ; NF EN ISO 389-6:2008-04-01
Acoustics - Reference zero for the calibration of audiometric equipment - Part 6: reference threshold of hearing for test signals of short duration