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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 E04-400-2 ; NF ISO 20318-2:2019-09-07
Mechanical pencils and leads for general use - Classification, dimensions, quality and test methods - Part 2: black leads

Title (German)

Füllstifte und Minen für allgemeine Anwendung - Einteilung, Masse, Qualität und Prüfverfahren - Teil 2: Graphitminen

Edition 2019-09-07

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 E04-400-2 ; NF ISO 20318-2:2019-09-07 Mechanical pencils and leads for general use - Classification, dimensions, quality and test methods - Part 2: black leads

Want to learn more?

NF E04-400-2 ; NF ISO 20318-2:2019-09-07
Mechanical pencils and leads for general use - Classification, dimensions, quality and test methods - Part 2: black leads