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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 C97-357-1 ; NF EN 50332-1:2014-02-08
Sound system equipment : headphones and earphones associated with personal music players - Maximum sound pressure level measurement methodology - Part 1: general method for "one package equipment"

Title (German)

Elektroakustische Geräte : Kopfhörer und Ohrhörer in Verbindung mit tragbaren Audiogeräten - Verfahren zur Messung des maximalen Schalldruckpegels - Teil 1: Allgemeines Verfahren für "Original-Geräte-Sets"

Edition 2014-02-08

Original language French

Price from 90.10 €

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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 C97-357-1 ; NF EN 50332-1:2014-02-08 Sound system equipment : headphones and earphones associated with personal music players - Maximum sound pressure level measurement methodology - Part 1: general method for "one package equipment"

Want to learn more?

NF C97-357-1 ; NF EN 50332-1:2014-02-08
Sound system equipment : headphones and earphones associated with personal music players - Maximum sound pressure level measurement methodology - Part 1: general method for "one package equipment"