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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

Draft standard

PR NF S78-503-1/A1 ; PR NF EN 13819-1/A1
Hearing protectors - Testing - Part 1: Physical test methods

Title (German)

Gehörschützer - Prüfung - Teil 1: Physikalische Prüfverfahren

Original language English , 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

PR NF S78-503-1/A1 ; PR NF EN 13819-1/A1 Hearing protectors - Testing - Part 1: Physical test methods

Want to learn more?

PR NF S78-503-1/A1 ; PR NF EN 13819-1/A1
Hearing protectors - Testing - Part 1: Physical test methods