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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 X08-020-4 ; NF ISO 3864-4:2013-04-27
Graphical symbols - Safety colours and safety signs - Part 4: colorimetric and photometric properties of safety sign materials

Title (German)

Graphische Symbole - Sicherheitsfarben und Sicherheitszeichen - Teil 4: Und photometrische Eigenschaften von Trägermaterialien für Sicherheitszeichen

Edition 2013-04-27

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 X08-020-4 ; NF ISO 3864-4:2013-04-27 Graphical symbols - Safety colours and safety signs - Part 4: colorimetric and photometric properties of safety sign materials

Want to learn more?

NF X08-020-4 ; NF ISO 3864-4:2013-04-27
Graphical symbols - Safety colours and safety signs - Part 4: colorimetric and photometric properties of safety sign materials